Leo's Idea: 1938-40
AlbumTracklist 69:50
| 1 | Stakkels lille klovn (Ciro Club) | 2:27 | |
| 2 | You Can't Stop Me from Dreaming (Ciro Club) | 2:42 | |
| 3 | Humming in Swing (Ciro Club) | 2:08 | |
| 4 | Jeg kommer, naar du fløjter Sonja Steincke & Tip-Top Band | 3:19 | |
| 5 | Kan du gemme dine kys til det bli'r sommer? Sonja Steincke & Tip-Top Band | 3:16 | |
| 6 | A Wee Bit of Swing Timme Rosenkrantz and his Barrelhouse Barons | 2:35 | |
| 7 | Is This to Be My Souvenir? Timme Rosenkrantz and his Barrelhouse Barons | 3:13 | |
| 8 | When Day Is Done Timme Rosenkrantz and his Barrelhouse Barons | 2:20 | |
| 9 | The Song Is Ended Timme Rosenkrantz and his Barrelhouse Barons | 2:17 | |
| 10 | Banjo, guitar og gårdsang | 2:49 | |
| 11 | Man bli'r saa køn af kærlighed | 2:56 | |
| 12 | Once in a While / I Still Love to Kiss You Goodnight | 3:03 | |
| 13 | Music, Maestro, Please / A Serenade to the Stars | 3:08 | |
| 14 | Søde drømme | 2:44 | |
| 15 | Spil min melodi | 3:18 | |
| 16 | Now It Can Be Told / Penny Serenade Lee Matthews and his Rhythm | 3:27 | |
| 17 | Little Lady Make Believe / Salome / Copenhagen, You've Taken My Heart Lee Matthews and his Rhythm | 3:15 | |
| 18 | Leo's Idea | 2:09 | |
| 19 | Blame It on My Last Affair | 2:10 | |
| 20 | Chinatown, My Chinatown | 1:57 | |
| 21 | You're Driving Me Crazy Valaida Snow & Winstrup Olesen's Swingband | 2:21 | |
| 22 | Take It Easy Valaida Snow & Winstrup Olesen's Swingband | 3:17 | |
| 23 | I Can't Give You Anything but Love (A) Valaida Snow & Winstrup Olesen's Swingband | 3:17 | |
| 24 | I Can't Give You Anything but Love (B) Valaida Snow & Winstrup Olesen's Swingband | 3:13 | |
| 25 | St. Louis Blues Valaida Snow & Winstrup Olesen's Swingband | 2:29 |