Sometimes death, as life, brings strange symmetries. Two music revolutionaries, Sly Stone and Brian Wilson, both died within two days of each other. Each was 82.

Elton John shared an Instagram tribute to Brian Wilson after The Beach Boys co-founder's death was announced by his family earlier in the day.

Brian Wilson, the Beach Boys' visionary and fragile leader whose genius for melody, arrangements and wide-eyed self-expression inspired “Good Vibrations,” “California Girls” and other summertime anthems and made him one of the world's most influential recording artists,