The legendary Southern (and Yacht) rock group will set out with Patrick Simmons ... 18 at the Budweiser Stage in Toronto, ON.

Steve Jennings/Getty Get ready to "Listen to the Music" live during the Doobie Brothers' Summer tour ... the USANA Amphitheater on Aug. 30 and is set to include Robert Cray and Steve Winwood ...

NEW YORK – Just cue up the first song from the new album by The Doobie Brothers and you'll hear something ... even really thought we’d still be on stage at this age doing this, much less ...