The Sunday, July 30 concert will also be followed by a special firework show. with DJ Ketchup, followed by the headliner performance at 7:30 p.m. Each night’s entertainment kicks off at 6 p.m. This summer’s Harbor Jam weekend performance lineup includes headliners Forever Seger – The Silver Bullet Experience – a tribute to Bob Seger, and Philadelphia Freedom – A Tribute to Elton John. This year’s Harbor Jam concerts will take place Saturday, July 29 and Sunday, July 30. – Rivers Casino & Resort Schenectady is thrilled to announce the return of Harbor Jam this summer at the Mohawk Harbor Amphitheater for 2023.