Tracklist
| A1 | The Mumbler Strikes Again | 3:10 |
| A2 | Big Spender | 2:30 |
| A3 | Rum And Mumbles | 2:52 |
| A4 | The Shadow Of Your Smile | 2:21 |
| A5 | Mumbles | 2:44 |
| B1 | Grand Dad's Blues | 3:55 |
| B2 | The Cat From Cadiz | 4:36 |
| B3 | Never | 3:30 |
| B4 | El Blues Latino | 3:10 |
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 56066 | Clark Terry | Mumbles (LP, Album, Mono) | Mainstream Records | 56066 | US | 1966 |
| MRL 347 | Clark Terry | Angyumaluma Bongliddleany Nannyany Awhan Yi! (LP) | Mainstream Records | MRL 347 | US | Unknown |
| S/6066 | Clark Terry | Mumbles (LP, Album) | Mainstream Records | S/6066 | Canada | 1966 |
| TML 5373, 683 737 TL | Clark Terry | Mumbles (LP, Album, Mono) | Fontana, Fontana | TML 5373, 683 737 TL | UK | 1966 |
| S/6066 | Clark Terry | Mumbles (LP, Album) | Mainstream Records | S/6066 | US | 1966 |
