| A | Harlem Nocturne | 2:16 |
| B | Not Now - Later On | 1:53 |
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 45-5037 | Herbie Mann | Harlem Nocturne / Not Now - Later On (7", Single) | Atlantic | 45-5037 | US | 1964 |
| 45-5037 | Herbie Mann | Harlem Nocturne / Not Now - Later On (7", Single, Promo) | Atlantic | 45-5037 | US | 1964 |
| PR AT 90142X45 | Herbie Mann | Not Now - Later On / Harlem Nocturne (7", Promo) | Atlantic | PR AT 90142X45 | Italy | 1964 |