Jorge Mester is among the more important American conductors of his generation. He rose to prominence as a champion of contemporary music, conducting and recording works by Cowell, Crumb, Mennin, Piston, Ginastera, Chávez, Penderecki, and many others. He made over 70 recordings of new music, mostly for the pioneering CRI label. In later years, he still devoted much time to contemporary works by composers like Glass, Michael Daugherty, and Joan Tower. Mester also conducted many standards in the orchestral repertory and is well known in the realm of opera for his performances of...