Earth, Wind & Fire and Chicago play medley

Chicago and Earth, Wind & Fire are once again going on the road together this summer and, to promote the trek, made an appearance on Thursday night on Jimmy Kimmel.

The two groups performed a medley of hits including EWF's Sing a Song and Shining Star and Chicagos Saturday in the Park.

The Chicago/Earth, Wind & Fire tour starts July 15 in Concord, CA and runs through early September.