Brian Wilson, a founding member of the Beach Boys, has died at 82. The music icon helped define the 'California sound' with the American rock band he formed with his family members and a friend.

Wilson has passed away at the age of 82 following a battle with dementia, his children revealed in a June 11 social media post.

Chunks of work by the Beach Boys’ founding genius went unpublished during his tumultuous life. Here’s a look at his phases and some pieces likely to be released.