By Denny Dyroff, Entertainment Editor, The Times Casual music fans may not recognize the name Peter Cetera but it’s almost guaranteed that they’ve heard his music. Cetera, who will headline a show on July 26 at the Xcite Center at Parx Casino (2999 Street Road, Bensalem, 888-588-7279, https://parxcasino.com)  Cetera, a Grammy Award-winning singer/songwriter, has had two distinct … Continue reading On Stage: Peter Cetera celebrates both Chicago and solo career