How Long Has This Been Going on? Lyrics
| Song | How Long Has This Been Going on? |
| Artist | Various Artists |
| Album | 110 Essential Love Songs for Valentine's Day (Romantic and Smooth Jazz) |
YouTube Results (More on YouTube)
| Song | How Long Has This Been Going on? |
| Artist | Various Artists |
| Album | 110 Essential Love Songs for Valentine's Day (Romantic and Smooth Jazz) |