UPCOMING LOCRIAN SEASON * World Premiere ** American Premiere *** New York Premiere   Thursday, May 28 at 8 PM:           Roger Reynolds   Elliott**   Roger Reynolds   ImagE/cello***   Melissa Hui   Fred and John Were Having Tea (When I Arrived)   Christian Carey   Three Flourishes*   David Macdonald   Southern Harmony*   10th Floor Performance Space, Riverside Church           Thursday, August 27 at 8 PM:           Harrison Birtwistle   Crowd   Gavin Bryars   Old Man and Sea**   Christian Wolff   A Piano Piece   Kurt Schwertsik   Liedersammlung**   10th Floor Performance Space, Riverside Church         To reach Riverside Church by subway, take the 1 or 9 train to 116th street. By bus, take the M4 or M104 to Broadway and 120th Street. Enter Riverside Church at 91 Claremont Avenue (one block west of Broadway, between 120th and 122nd streets). Parking is available at the Riverside Church garage, located at 120th Street and Riverside Drive. For further information contact John Kreckler at (718) 458-4864.