SUBWAY FRESH ARTISTS™ Competition Searches for New, Unsigned Musicians – Offers Artists Chance to Open at Upcoming Goo Goo Dolls ConcertPromotion Supported with Radio and Digital Advertising on Clear Channel Platforms – With Competition Engine Provided by OurStage.comSAN ANTONIO--(BUSINESS WIRE)--In partnership with the SUBWAY® restaurants chain, Clear Channel Radio kicked off a new, nationwide campaign and competition, SUBWAY FRESH ARTISTS™, which will give one talented unsigned music artist/band the chance to open for the Goo Goo Dolls at an upcoming concert. The first phase of the competit