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)
... best exemplified by "Dark Star" -- but lacked the energy of the shows and did not sell terribly well. The 1970s live album Live Dead did capture more of their essence, but ...