How Long Has This Been Going On? Lyrics
| Song | How Long Has This Been Going On? |
| Artist | George |
| Artist | Ira Gershwin |
| Artist | John McClure |
| Artist | Tommy Krasker |
| Album | Standards & Gems |
YouTube Results (More on YouTube)
| Song | How Long Has This Been Going On? |
| Artist | George |
| Artist | Ira Gershwin |
| Artist | John McClure |
| Artist | Tommy Krasker |
| Album | Standards & Gems |