Much has been made of Wilson's pioneering production techniques and also his notorious descents into drug addiction and mental illness-but this three-hour-plus documentary focuses on one thing only: his songs. You'll see obscure footage and archival interviews as rare and classic Beach Boys recordings and performances are reassessed by a panel of esteemed experts. And the deepest insight comes from the family friends, studio musicians and fellow Beach Boys who were with Brian when he first introduced these classics!