How Long Has This Been Going On? (Album Version) Lyrics
| Song | How Long Has This Been Going On? (Album Version) |
| Artist | Benny Goodman |
| Artist | Peggy Lee |
| Album | Benny Goodman Featuring Peggy Lee |
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| Song | How Long Has This Been Going On? (Album Version) |
| Artist | Benny Goodman |
| Artist | Peggy Lee |
| Album | Benny Goodman Featuring Peggy Lee |