THE MANHATTAN CHAMBER PLAYERS. Brendan Speltz and Connie Kupka, violin, Luke Fleming, viola, Brook Speltz and David Speltz, cello, David Fung, piano, with Clare Hoffman, flute, and Robert Bonfiglio, harmonica, with music by Mozart and Nino Rota, and the monumental Brahms Piano Quartet No. 3 in C Minor, Opus 60, and Dvořák Piano Quartet No. 2 in Eb Major, Opus 87.