Brian Wilson, an eclectic genius whose sunny Beach Boys songs like "God Only Knows" and "Good Vibrations" helped define American pop music, has died.

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.

There are almost no corners of the music world that Beach Boys co-founder Brian Wilson didn’t touch, so since news broke earlier today that he had died at age 82, there have been an outpouring of tributes from friends, fans, and fellow musicians. In many cases it’s all three in one person.

Brian Wilson's friends and fellow celebrities, including Nancy Sinatra, are remembering the music icon in social media posts.

Brian Wilson, the musical savant who scripted ... Roundly regarded as a genius in the music studio, Wilson wrote more than three dozen Top 40 hits, bright summertime singalongs that were radio ...

Paul McCartney is honoring "musical genius" Brian Wilson, writing in a tribute that he was "privileged to be around his bright shining light."