(..)Live music on the ship is not exclusively Bon Jovi, however, and included performances by Johnny Rzeznik (pictured below), Grace Potter, BETSIE GØLD, Stewart Mac, Antonio Rivas, Hannah Wickland & The Steppin Stones, Kris Barras Band and the up and coming British rockers Collateral. Goo Goo Dolls frontman  Rzeznik, fresh off a summer tour with Train, played on the pool deck (as did Potter) performing two sets — one acoustic and the other with Bon Jovi tribute band Slippery When Wet. “Sixthman does a really good job,” Rzeznik tells Variety. “We did another event with them … and know