Heart, American Authors, Kelly Clarkson and more fill out Universal's Mardi Gras line-up
By Luis Vazquez
Tags: Orlando Music News, Olivia Newton-John, Jessie J, Barenaked Ladies, Kelly Clarkson, Heart, Trace Adkins, MKTO, Styx, American Authors, Becky G, Yandel, The B-52s, Phillip Phillips, The All-American Rejects, The Band Perry, Trey Songz, Universal Studios, Mardis Gras, Universal Mardi Gras