Chunks of work by the Beach Boys’ founding genius went unpublished during his tumultuous life.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.

Despite his much-publicized inner-turmoil, Brian was a very strong, sweet, innocent guy with a heart full of love and music. He was on a mission to create songs that would bring comfort and understanding to the whole world. He succeeded beyond his wildest dreams.

"Sunday Morning" looks back at the legacies of two musical giants – the beating hearts of Sly and the Family Stone and the Beach Boys.