The moment the world heard the opening riffs of "Smells Like Teen Spirit," music would never be the same. This compelling program looks back on the creation of Nirvana's 1991 album "Nevermind" and the beginning of the legend that was Kurt Cobain. With rarely seen interviews, the documentary captures the band as they prepare to take the world by storm, launching grunge into the mainstream and reluctantly becoming the voice of a generation.