On Friday, June 12th at 8 pm at Bargemusic, Brooklyn, pianist Nadia Shpachenko will perform “Music for a New B’ak’tun,” a program of new works, all New York Premieres, for solo piano (with toy piano and electronics) by American composers James Matheson, Adam Schoenberg, Tom Flaherty, and Peter Yates. The compositions are presented on her new album “Woman at the New Piano” released on Fresh! from Reference Recordings (FR-711). Bargemusic Here and Now Series June…