LONDON - JUNE 1972: Musician David Bowie poses for a portrait in his "Ziggy Stardust" guise in June 1972 in London, England.
Michael Ochs Archives

As news that David Bowie died of cancer at age 69 rippled through the world, musicians of every genre added their voices to the chorus honoring and celebrating Bowie’s brilliant music, life, and influence. MadonnaOne Direction’s Harry Styles, Kanye WestThe WhoFlorence + The Machine’s Florence Welch, and Diplo were just a few of the countless stars to paid tribute.

And one of the tenderest, most heartbreaking tweets came from Bowie's own son, Duncan....