Of course, dying at the age of 80, after a lifetime of accomplishments, a successful career, and a beautiful family is perhaps not a tragedy.
But, man, is it ever sad. Charlie Watts. The Stones just lost their Roll. As awesome as the songs are, as commanding as Jagger is onstage, as cool as Keith's riffs are, the real backbone of "the World's Greatest Rock and Roll Band" (tm) has always been Charlie and Keith's interplay.