20 Unsolved Music Mysteries from the Golden Age of Rock

After The Beach Boys released Pet Sounds, Brian Wilson started working on his masterpiece: an album called Smile. It was meant to be revolutionary, but as Wilson’s mental health declined, the project fell apart. In 1967, he officially shelved it, and Smile became rock and roll’s most legendary lost album. What happened to the music? For decades, scores of experimental multitrack reels were lost, scattered, or buried deep within Capitol Records’ vaults. While parts have since been reassembled, the original vision is still a ghost in music history.