Are the World's Greatest?

"The World's Greatest" is a song written and recorded by American R&B singer R. Kelly. The song was originally featured on the soundtrack to the film Ali, and also appeared on bootleg copies of Kelly's unreleased album, Loveland, which later became a bonus disc to Chocolate Factory.

What genre is the world's greatest?

"The World's Greatest" is a song written and recorded by American R&B singer R. Kelly.

What is world's greatest stretch?

The world's greatest stretch incorporates thoracic mobility through the twist that's performed during the lunge, and it also loosens up the muscles of the lower legs through the hamstring stretch performed at the end.