New on MTV and VH1

YOUR MTV/VH1 ADDS: Video did not, in fact, kill the radio star. But video abides, and here's a rundown on who's adding what. MTV welcomed 2Chainz's "I'm Different," Alicia Keys' "Brand New Me," "Trojans" by Atlas Genius, Big Boi f/Kelly Rowland, "Mama Told Me," "Radioactive" from Imagine Dragons, Solange's "Losing You" and The Script f/Will.i.am, "Hall of Fame." VH1, meanwhile, added Allen Stone's "Sleep," "Wanted" by Hunter Hayes, Taylor Swift's "I Knew You Were Trouble" and the Will.i.am/Britney Spears throwdown "Scream & Shout." Meanwhile, the clip of otters holding hands is in heavy rotation up in here. (12/19p)