| # | Titolo | Valutazione | Durata |
|---|
| 1 | Humph | | 2:54 |
| 2 | Thelonious | | 3:02 |
| 3 | Ruby My Dear | | 3:08 |
| 4 | Well You Needn't | | 2:58 |
| 5 | Introspection | | 3:11 |
| 6 | Off Minor | | 3:02 |
| 7 | In Walked Bud | | 2:57 |
| 8 | Monk's Mood | | 3:08 |
| 9 | Who Knows | | 2:43 |
| 10 | 'Round About Midnight- tecnico di registrazione:
- Doug Hawkins
- produttore:
- Alfred Lion
- batteria :
- Art Blakey (il 1947-11-21)
- contrabbasso :
- Robert Paige (il 1947-11-21)
- pianoforte :
- Thelonious Monk (il 1947-11-21)
- sassofono contralto :
- Edmond Gregory (il 1947-11-21)
- tromba :
- George Taitt (il 1947-11-21)
- registrata presso:
- WOR Studios in New York, New York, Stati Uniti (il 1947-11-21)
- registrazione strumentale di:
- ’Round Midnight (il 1947-11-21)
- paroliere:
- Bernie Hanighen
- compositore:
- Thelonious Monk e Cootie Williams
- editore:
- Advanced Music, Advanced Music corp., Productions et Éditions Cinématographiques Françaises, Thelonious Music, Thelonious Music Corporation , Ultra Empire Music, Warner Bros. Music , Warner Bros., Inc. , Warner Chappell Music Ltd. , Warner/Chappell Music Ltd. e Warner/Chappell North America Limited
- si basa su:
- I Need You So
| | 3:12 |
| 11 | Evidence | | 2:35 |
| 12 | Misterioso | | 3:24 |
| 13 | Epistrophy | 4 | 3:08 |
| 14 | I Mean You | 5 | 2:47 |
| 15 | Four in One | | 3:32 |
| 16 | Criss Cross | | 2:57 |
| 17 | Straight No Chaser | | 2:58 |
| 18 | Eronel | | 3:05 |
| 19 | Ask Me Now | | 3:16 |
| 20 | Skippy | | 3:00 |