How Long Has This Been Going On 歌词
| 歌曲 | How Long Has This Been Going On |
| 歌手 | Bill Charlap Trio |
| 专辑 | Plays George Gershwin: The American Soul |
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| 歌曲 | How Long Has This Been Going On |
| 歌手 | Bill Charlap Trio |
| 专辑 | Plays George Gershwin: The American Soul |