How Long? - Debra Laws
How Long? 
- Ace - How Long? - Charlie Puth
- How Long? - J.D. Souther
- How Long? - J.J. Barnes
- How Long? - Paul Carrack
- How Long? - Rod Stewart
- How Long? - Saga
- How Long? - The Five Keys
- How Long? - Yazz
(with Aswad)