RIP Former Wilco multi-instrumentalist Jay Bennett - dead at 45

Jay Bennett (austintownhall.com photo)

Jay Bennett and Jeff Tweedy had a bitter breakup - well documented in the documentary "I Am Trying to Break Your Heart," but there's no denying the powerful music they made together in Wilco.

So it's a sad day for Wilco fans as the Chicago-area Bennett apparently died in his sleep early Sunday at the age of 45.

Here's a look at the Austin City Limits show he performed with Wilco in 1999 as the band was surging in popularity:

Much more after the jump ...