Zac Brown Band Rocks Surprise-Filled SPAC Performance [Photos]

Zac Brown Band filled SPAC Sunday night for a 27-song set filled with fans' favorite hits and a few surprises.

Included in the performance were several covers, including "Piano Man," and some tunes from Metallica and James Taylor. Zac and his bandmates also made several outfit changes throughout the night.

Check out our photo gallery from the concert, and see more photos on WGNA's Facebook page.