How Long Has This Been Going On? (Mel Torme) Lyrics
| Song | How Long Has This Been Going On? (Mel Torme) |
| Artist | George Gershwin |
| Album | George Gershwin by The Giants of Jazz |
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| Song | How Long Has This Been Going On? (Mel Torme) |
| Artist | George Gershwin |
| Album | George Gershwin by The Giants of Jazz |