Brian Wilson, an eclectic genius whose sunny Beach Boys songs helped define a revved-up era of American popular music, has died at age 82.

Mike Love was inducted into the Songwriters Hall of Fame last Thursday night, just one day after it was announced that his inimitable bandmate Brian Wilson had died.

The news of Wilson's tragic death was shared on his social media accounts by his children—and comes just over one year after they filed for a conservatorship of their father, noting that he was suffe...