Classic rock legends Yes and Procol Harum performed at Verizon Wireless Amphitheatre at Encore Park on Tuesday, July 31.

Did you attend the concert? What did you think of the performances? Tell us in the comments below.

The original American Idol, Kelly Clarkson, performs next in Alpharetta. She is in concert with The Fray on Wednesday, Aug. 8. Carolina Liar is their special guest.

The doors open at 6 p.m. and the concert starts at 7 p.m. That's an hour earlier than a lot of concerts at the amphitheater, so be forewarned. Visit the Verizon Wireless Amphitheatre website for more information or to buy tickets. Prices start at $25 for lawn seats.