The horrorcore rap group Insane Clown Posse courts mainstream notice on the Fuse music channel even as it contends with a sexual-harassment lawsuit and an F.B.I. report.
The Nashville hitmakers Florida Georgia Line (Tyler Hubbard and Brian Kelley) filled a show at Best Buy Theater with hip-hop covers.
James Rosemond, linked by rumors to the feud that left the rappers Tupac Shakur and the Notorious B.I.G. dead, was convicted last year of running a multimillion-dollar cocaine empire.
A documentary-style series on MTVu looks at music and its role in social upheaval around the world.