<Li> "What's Going On" (Dupri Original Mix)--4: 20 </Li> <Li> "What's Going On" (Fred Durst's Reality Check Mix)--5: 16 </Li> <Li> "What's Going On" (The London Version)--3: 57 </Li> <Li> "What's Going On" (Moby's Version)--4: 36 </Li>

Who sing the song what's going on