Dark Sky Paradise will feature collaborations with Drake, Lil Wayne, Jhené Aiko and more.
The worldwide show will take place in all seven continents to build support for a U.N. climate pact.
Visuals from Jay Z, Ludacris, Kanye West and others.
New documentary premiering at Sundance explores hip hop fashion.
Plus Ray J and Common remember Martin Luther King.
Billionaire Boy commissioned to make a song for Springfield.