Chicago and The Doobie Brothers at the Forum in Los Angeles, CA

Chicago and The Doobie Brothers played the Forum Saturday Night. The last time these two legendary rock groups played L.A. together was in 2012 at the Gibson Amphitheater. Both band's sets were filled with hits from "Jesus Is Just Alright," "Rockin' Down The Highway," "China Grove," and "Listen to the Music," by the Doobie Brothers to Chicago's "I'm A Man," "25 or 6 to 4," "Saturday In the Park,"and Feelin' Stronger Everyday "

Photos by Alex Kluft