Brian Wilson, leader, songwriter and producer of the Beach Boys, has passed away at age 82. He leaves behind a legacy of beautiful, joyous, bittersweet and enduring music, crafted over a career spanning six decades.

The Beach Boys mastermind has been the subject of pop scholarship and major boxed sets, but some corners of his oeuvre remain unreleased.

Wilson helped form the Beach Boys in 1961, and the band was originally known as the Pendletones. That name was admittedly a bit confusing, and the group's initial record company,