Live Loop Mash-Up (A Dream, I Ain't Mad At Cha, Don't Leave Me)

What do El DeBarge, Tupac Shakur, and Blackstreet have in common?

Songs:
1. A Dream (El DeBarge, 1983)
2. I Ain't Mad at Cha (Tupac Shakur, 1996)
3. Don't Leave Me (Blackstreet, 1997)

Appearances in Film:
1. Soul Food (1997)