Reginald De Koven[?]
Rudolf Friml[?]
Victor Herbert
Emmerich Kalman[?], also known as Imre Kálmán
Franz Lehar
Jacques Offenbach
Sigmund Romberg[?]
Johann Strauss II
Arthur S. Sullivan (of Gilbert and Sullivan)
... systems: Serial copy management system[?] (SCMS) Macrovision iTunes Windows media player[?] DRM and document restriction technology Opponents of DRM ...