Elton John: I Guess That's Why They Call It The Blues (1983)

This song has enjoyed an exceptionally long life. It has been used in commercials, on an episode of Family Guy, and remains a radio staple. It's even been covered by Mary J. Blige. The song peaked at #4 on the Hot 100 in 1984.

http://www.youtube.com/watch?v=h6KYAVn8ons&ob=av3e

Mary J Blige:

http://www.youtube.com/watch?v=6c7xn3zG0iA