The Alkaline Trio will throw together some pop-punk at 7 p.m. in the Showplace Theatre, 1063 Grant St., with Dashboard Confessional, No Motiv and Holy Angels Academy rounding out the bill.
Andy Kasparian will pump out the Mighty Wurlitzer Organ Concert at 1:30 and 8 p.m. in Riviera Theatre, 67 Webster St., North Tonawanda. The evening program will also feature a sing-along and silent movie screening.
Dave Matthews Band will jam at 6 p.m., with guest Macy Gray, in Ralph Wilson Stadium, One Bills Drive, Orchard Park.
On Stage -- "Diva by Diva: A Celebration of Women," 7:30 p.m., O'Connell & Company, Cabaret in the Square Theatre, 4476 Main St., Amherst. "Pageant," 7:30 p.m. Wednesday, MusicalFare Theatre, Daemen College, 4380 Main St., Amherst. "Romeo And Juliet," 7:30 p.m. (preshow by the Young Company Players at 6:45), Shakespeare in Delaware Park, Shakespeare Hill near the Rose Garden.