Z, Pamela - Picture, biography, recordings, calendar, performances, and resume. Zeitler, William Wilde - Composer and performer of music for the Glass Armonica, an instrument invented by Ben Franklin. Includes calendar of performances, sales of CDs, and instrument information. Zapf, Helmut - (1956- ), Rauschengesees, Thuringia. Biography and list of works, from The Living Composers Project. Zivkovic, Nebojsa Jovan - Includes tour dates, opus list, CDs information and actual projects. Patrick Zimmerli, Composer - Biography, picture, concerts, reviews, and sound files. Zuckerman, Mark - Picture, biography, compositions, scores, and sound files. Zemlinski, Lev - Russian composer, songwriter and recording artist. Includes biography, sound files, catalog, and scores. [English and Russian] Zahra, Ruban - Includes projects and concerts.