The Complete Warner Recordings

~ Release by Itzhak Perlman (see all versions of this release, 7 available)

Annotation

A 77-CD collection with recordings made for EMI Classics, Erato, and Teldec Classics. New transfers from original masters and remastered at 24-bit/96 KHz.

Annotation last modified on 2020-08-28 09:34 UTC.

Tracklist

1▶CD: Paganini: Violin Concerto no. 1 / Sarasate: Carmen Fantasy
2▶CD: J.S. Bach: Double Violin Concerto, BWV 1043 / Violin Concertos, BWV 1042 & 1056
3▶CD: J.S. Bach: Concerto for Violin & Oboe, BWV 1060 / Violin Concertos, BWV 1041 & 1052
4▶CD: Paganini: 24 Caprices
5▶CD: Wieniawski: Violin Concertos 1 & 2
6▶CD: Mendelssohn: Violin Concerto / Bruch: Violin Concerto no. 1
7▶CD: Bartók: Violin Concerto no. 2
8▶CD: Encores I
9▶CD: Encores II
10▶CD: Dvořák: Violin Concerto / Romance
11▶CD: Saint-Saëns / Chausson / Ravel
12▶CD: Joplin: The Easy Winners & Other Rags
13▶CD: Stravinsky: Divertimento / Suite Italienne / Duo Concertant
14▶CD: Itzhak Perlman Plays Fritz Kreisler (1)
15▶CD: Itzhak Perlman Plays Fritz Kreisler (2)
16▶CD: Itzhak Perlman Plays Fritz Kreisler (3)
17▶CD: Vivaldi: Le quattro stagioni (The Four Seasons)
18▶CD: Bruch: Scottish Fantasy / Violin Concerto no. 2
19▶CD: Brahms: Violin Concerto
20▶CD: Duets for Two Violins
21▶CD: Goldmark: Violin Concerto no. 1 / Sarasate: Zigeunerweisen
22▶CD: Vieuxtemps: Violin Concertos 4 & 5
23▶CD: Tchaikovsky: Violin Concerto / Sérénade mélancolique
24▶CD: Moszkowski / Shostakovich / Prokofiev: Duets for Two Violins
25▶CD: Bartók: 44 Duos for Two Violins
26▶CD: Sibelius: Violin Concerto / Sinding: Suite in A minor
27▶CD: Brahms: Double Concerto
28▶CD: The Spanish Album: Sarasate / Falla / Granados / Halffter
29▶CD: André Previn: A Different Kind of Blues
30▶CD: André Previn: It's a Breeze
31▶CD: Mozart / Stamitz / J.C. Bach / Vanhal: Oboe Quartets
32▶CD: C.P.E. Bach / J.C. Bach / J.G. Goldberg: Trio Sonatas
33▶CD: Tchaikovsky: Piano Trio, op. 50
34▶CD: Korngold / Conus: Violin Concertos
35▶CD: Beethoven: Violin Concerto
36▶CD: Prokofiev: Violin Concertos
37▶CD: Khachaturian: Violin Concerto / Tchaikovsky: Méditation
38▶CD: J.S. Bach: Violin Concertos, BWV 1052R & 1056 / Concerto for Violin & Oboe, BWV 1060
39▶CD: Vivaldi: Violin Concertos RV 199 “Il sospetto”, RV 317, RV 347, RV 356
40▶CD: Vivaldi: Le quattro stagioni (The Four Seasons)
41▶CD: Mendelssohn: Violin Concerto / Bruch: Violin Concerto no. 1
42▶CD: Kim / Starer: Violin Concertos
43▶CD: Brahms: Violin Sonatas 1 & 2
44▶CD: Brahms: Violin Sonata no. 3 / Scherzo, “F.A.E. Sonata” / Hungarian Dances 1, 2, 7 & 9
45▶CD: Dvořák: Sonatina, op. 100 / Four Romantic Pieces, op. 75 / Smetana: Z domoviny (From My Homeland)
46▶CD: Beethoven: Complete Piano Trios op. 1 nos. 1 & 2
47▶CD: Beethoven: Complete Piano Trios op. 1 no. 3, op. 11, op. 121A, WoO 39
48▶CD: Beethoven: Complete Piano Trios op. 44, op. 70 nos 1 & 2, Hess 48
49▶CD: Beethoven: Complete Piano Trios op. 97, WoO 38
50▶CD: Tradition
51▶CD: In the Fiddler's House
52▶CD: Live in the Fiddler's House
53▶CD: My Favourite Kreisler
54▶CD: Bruch: Scottish Fantasy / Violin Concerto no. 2
55▶CD: J.S. Bach: Sonatas & Partitas, BWV 1001-1003
56▶CD: J.S. Bach: Sonatas & Partitas, BWV 1004-1006
57▶CD: Beethoven: Violin Concerto / Romances
58▶CD: A Tribute to Jascha Heifetz
59▶CD: Shostakovich: Violin Concerto no. 1 / Glazunov: Violin Concerto
60▶CD: Live in Russia
61▶CD: Together
62▶CD: Castelnuovo-Tedesco: Violin Concerto no. 2 “I profeti” / Ben-Haim: Violin Concerto
63▶CD: Beethoven: String Trios, opp. 3 & 8
64▶CD: Beethoven: String Trios, op. 9 nos. 1-3
65▶CD: Brahms: Violin Concerto
66▶CD: Bits and Pieces
67▶CD: Brahms: Piano Trios op. 8 & op. 87
68▶CD: Brahms: Piano Trios op. 101 & op. posth.
69▶CD: The American Album
70▶CD: À la carte
71▼CD: Beethoven: Triple Concerto / Choral Fantasy
#TitleArtistRatingLength
1Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56: I. Allegro
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo cello:
Yo‐Yo Ma (cellist) (from 1995-02-15 until 1995-02-16)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
solo violin:
Itzhak Perlman (violinist and conductor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live recording of:
Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56 “Triple Concerto”: I. Allegro (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1803)
part of:
Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56 “Triple Concerto”
Ludwig van Beethoven17:03
2Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56: II. Largo
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo cello:
Yo‐Yo Ma (cellist) (from 1995-02-15 until 1995-02-16)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
solo violin:
Itzhak Perlman (violinist and conductor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live recording of:
Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56 “Triple Concerto”: II. Largo (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1803)
part of:
Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56 “Triple Concerto”
Ludwig van Beethoven5:37
3Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56: III. Rondo alla polacca
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo cello:
Yo‐Yo Ma (cellist) (from 1995-02-15 until 1995-02-16)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
solo violin:
Itzhak Perlman (violinist and conductor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live recording of:
Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56 “Triple Concerto”: III. Rondo alla polacca (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1803)
part of:
Concerto for Piano, Violin, Cello and Orchestra in C major, op. 56 “Triple Concerto”
Ludwig van Beethoven12:51
4Fantasy for Piano, Chorus and Orchestra in C major, op. 80: I. Adagio
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
alto vocals:
Andrea Bönig (mezzo-soprano) (from 1995-02-15 until 1995-02-16)
bass vocals:
René Pape (operatic bass) (from 1995-02-15 until 1995-02-16)
choir vocals:
Chor der Deutschen Staatsoper (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano I]:
Carola Höhn (operatic soprano) (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano II]:
Katharina Kammerloher (German operatic mezzo-soprano) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor I]:
Endrik Wottrich (tenor) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor II]:
Pär Lindskog (tenor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
chorus master:
Ernst Stoy (chorus master) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live recording of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”: I. Adagio (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1808)
revised by:
Ludwig van Beethoven (German composer) (in 1809)
version of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”: Original introduction (Original introduction, not part of standard repertoire)
part of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”
Ludwig van Beethoven3:56
5Fantasy for Piano, Chorus and Orchestra in C major, op. 80: II. Finale: Allegro - Menu allegro -
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
alto vocals:
Andrea Bönig (mezzo-soprano) (from 1995-02-15 until 1995-02-16)
bass vocals:
René Pape (operatic bass) (from 1995-02-15 until 1995-02-16)
choir vocals:
Chor der Deutschen Staatsoper (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano I]:
Carola Höhn (operatic soprano) (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano II]:
Katharina Kammerloher (German operatic mezzo-soprano) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor I]:
Endrik Wottrich (tenor) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor II]:
Pär Lindskog (tenor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
chorus master:
Ernst Stoy (chorus master) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live partial recording of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”: II. Finale: Allegro – Meno allegro (Allegretto) – Allegro molto – Adagio ma non troppo – Marcia, assai vivace – Allegro – Allegretto ma non troppo quasi andante con moto »Schmeichelnd hold und liebliech klingen« – Presto (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1808)
revised by:
Ludwig van Beethoven (German composer) (in 1809)
part of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”
Ludwig van Beethoven5:01
6Fantasy for Piano, Chorus and Orchestra in C major, op. 80: II. Allegro molto -
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
alto vocals:
Andrea Bönig (mezzo-soprano) (from 1995-02-15 until 1995-02-16)
bass vocals:
René Pape (operatic bass) (from 1995-02-15 until 1995-02-16)
choir vocals:
Chor der Deutschen Staatsoper (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano I]:
Carola Höhn (operatic soprano) (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano II]:
Katharina Kammerloher (German operatic mezzo-soprano) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor I]:
Endrik Wottrich (tenor) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor II]:
Pär Lindskog (tenor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
chorus master:
Ernst Stoy (chorus master) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live partial recording of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”: II. Finale: Allegro – Meno allegro (Allegretto) – Allegro molto – Adagio ma non troppo – Marcia, assai vivace – Allegro – Allegretto ma non troppo quasi andante con moto »Schmeichelnd hold und liebliech klingen« – Presto (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1808)
revised by:
Ludwig van Beethoven (German composer) (in 1809)
part of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”
Ludwig van Beethoven1:35
7Fantasy for Piano, Chorus and Orchestra in C major, op. 80: II. Adagio, ma non troppo -
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
alto vocals:
Andrea Bönig (mezzo-soprano) (from 1995-02-15 until 1995-02-16)
bass vocals:
René Pape (operatic bass) (from 1995-02-15 until 1995-02-16)
choir vocals:
Chor der Deutschen Staatsoper (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano I]:
Carola Höhn (operatic soprano) (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano II]:
Katharina Kammerloher (German operatic mezzo-soprano) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor I]:
Endrik Wottrich (tenor) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor II]:
Pär Lindskog (tenor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
chorus master:
Ernst Stoy (chorus master) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live partial recording of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”: II. Finale: Allegro – Meno allegro (Allegretto) – Allegro molto – Adagio ma non troppo – Marcia, assai vivace – Allegro – Allegretto ma non troppo quasi andante con moto »Schmeichelnd hold und liebliech klingen« – Presto (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1808)
revised by:
Ludwig van Beethoven (German composer) (in 1809)
part of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”
Ludwig van Beethoven2:54
8Fantasy for Piano, Chorus and Orchestra in C major, op. 80: II. Marcia, assai vivace - Allegro -
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
alto vocals:
Andrea Bönig (mezzo-soprano) (from 1995-02-15 until 1995-02-16)
bass vocals:
René Pape (operatic bass) (from 1995-02-15 until 1995-02-16)
choir vocals:
Chor der Deutschen Staatsoper (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano I]:
Carola Höhn (operatic soprano) (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano II]:
Katharina Kammerloher (German operatic mezzo-soprano) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor I]:
Endrik Wottrich (tenor) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor II]:
Pär Lindskog (tenor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
chorus master:
Ernst Stoy (chorus master) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live partial recording of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”: II. Finale: Allegro – Meno allegro (Allegretto) – Allegro molto – Adagio ma non troppo – Marcia, assai vivace – Allegro – Allegretto ma non troppo quasi andante con moto »Schmeichelnd hold und liebliech klingen« – Presto (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1808)
revised by:
Ludwig van Beethoven (German composer) (in 1809)
part of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”
Ludwig van Beethoven2:10
9Fantasy for Piano, Chorus and Orchestra in C major, op. 80: II. Allegretto, ma non troppo (quasi Andante con moto) - Presto
producer:
John Fraser (UK producer)
editor:
Matthew Cocker (editor)
solo piano:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
alto vocals:
Andrea Bönig (mezzo-soprano) (from 1995-02-15 until 1995-02-16)
bass vocals:
René Pape (operatic bass) (from 1995-02-15 until 1995-02-16)
choir vocals:
Chor der Deutschen Staatsoper (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano I]:
Carola Höhn (operatic soprano) (from 1995-02-15 until 1995-02-16)
soprano vocals [soprano II]:
Katharina Kammerloher (German operatic mezzo-soprano) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor I]:
Endrik Wottrich (tenor) (from 1995-02-15 until 1995-02-16)
tenor vocals [tenor II]:
Pär Lindskog (tenor) (from 1995-02-15 until 1995-02-16)
orchestra:
Berliner Philharmoniker (Berlin Philharmonic Orchestra) (from 1995-02-15 until 1995-02-16)
conductor:
Daniel Barenboim (pianist and conductor) (from 1995-02-15 until 1995-02-16)
chorus master:
Ernst Stoy (chorus master) (from 1995-02-15 until 1995-02-16)
balance engineer:
John Kurlander (engineer)
phonographic copyright (℗) by:
EMI Records Ltd. (not for release label use! UK parent of EMI‐owned labels until Sept 2012) (in 1995)
recorded at:
Berliner Philharmonie in Mitte, Berlin, Germany (from 1995-02-15 until 1995-02-16)
live partial recording of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”: II. Finale: Allegro – Meno allegro (Allegretto) – Allegro molto – Adagio ma non troppo – Marcia, assai vivace – Allegro – Allegretto ma non troppo quasi andante con moto »Schmeichelnd hold und liebliech klingen« – Presto (from 1995-02-15 until 1995-02-16)
composer:
Ludwig van Beethoven (German composer) (in 1808)
revised by:
Ludwig van Beethoven (German composer) (in 1809)
part of:
Fantasia for Piano, Chorus, and Orchestra in C minor, op. 80 “Choral Fantasy”
Ludwig van Beethoven4:07
72▶CD: The Erato & Teldec Recordings: Brahms / Mendelssohn
73▶CD: The Erato & Teldec Recordings: Stravinsky / Prokofiev
74▶CD: Concertos from My Childhood
75▶CD: Beethoven: Violin Sonata no. 9 “Kreutzer” / Franck: Violin Sonata
76▶CD: Mozart: Violin Concerto no. 3 / Adagio and Fugue, K546 / Symphony no. 41 “Jupiter”
77▶CD: Itzhak Perlman: Speaker & Singer