SPHJO features a rotating roster of musicians throughout the Mid-Atlantic region. The roster for the Bop Stop concert features musicians from the Pittsburgh and Cleveland metro areas. As a collective, this roster of musicians has played with acts such as Slide Hampton, Joe Lovano, Dick Oatts, the Tommy Dorsey Orchestra and the Vanguard Jazz Orchestra. Tonight at 7, it plays a special release party at the Bop Stop. Tickets cost $25.