The "Yellow Submarine" rivets can be made it more easily in yellow on black, and The Beatles' logo appears raised in yellow on the midsole's heel.

If “Yellow Submarine” was about a deep purple submarine, future listeners might have seen its lyrics as a reference to the hard-rock band Deep Purple, which didn’t debut until 1968.

Music has always been more than sound. From the communal energy of live concerts to the surreal visuals of Yellow Submarine ...