Sly cancels on Chicago again

Rumors of a comeback by the legendary soul pioneer Sly Stone may be a bit... premature.

The leader of Sly and the Family Stone has canceled the performance schedule for Saturday at the Vic Theatre -- "due to health reasons," according to promoters Jam Productions. Refunds are available at the point of purchase.

Students of musical history will recall that another aborted performance by Sly led to a riot in Grant Park in 1970, a few years before the band leader dropped out of the music scene for good in 1975, ending one of the most extraordinary careers in soul, R&B, rock or pop... that is, at least until he can finally get it together for good for the long-awaited second act.