PRESS PHOTO BY PAUL WILLISTEINRonald Demkee, Associate Conductor, Allentown Symphony Orchestra, second from left, with Brent Barrett, Matt Cavenaugh and Kyle Dean Massey, who greeted concert-goers and signed copies of their CD following their “The Broadway Tenors: Ultimate Broadway” concert, Oct. 13, Miller Symphony Hall Allentown. Next in the ASO Pops series is “A Tribute To Ella,” 7:30 p.m. Jan.