FINALLY

Radio changes: KYSR-FM (98.7) dropped weekday DJs Summer and Tom Mitchell on Friday and said they would be replaced by new on-air personalities Josh Venable (4-9 p.m.) and Darren Rose (9 p.m.-midnight).

Piano man: Billy Joel will perform with the Philadelphia Orchestra on Jan. 26, an event that will include the world premiere of his classical composition “Waltz No. 2 (Steinway Hall).”