Stephen Hillenburg, whose show "SpongeBob SquarePants" went from a Nickelodeon hit to a Tony-winning musical with rock-star composers, has died at 57. Also in the news today: the Go-Go's musical is closing on Broadway, a Green Day reference somehow ended up on Mars, an unheard Kurt Cobain interview surfaces, Sesame Street Records relaunch, and a metal band break up in truly epic fashion. Audio sampled: Jahzzar - "Comedie" (CC BY 4.0), BoxCat Games - "Against the Wall" (CC BY 3.0), Roberto LoRusso - "My Embarrassing Interview with Kurt Cobain", Nirvana - "Smells Like Teen Spirit", Sesame Street - "C is for Cookie", Witchrot - "Druid Smoke Part i (The Keeper)", "SpongeBob SquarePants Theme"