Complex sentence: Conductors of the generation after Toscanini to champion the work included Herbert von Karajan, Georg Solti and Leonard Bernstein, and the work is now part of the regular operatic repertory.
Split into simpler sentences: Conductors of the generation after Toscanini to champion the work included Herbert von Karajan, Georg Solti and Leonard Bernstein. The work is now part of the regular operatic repertory.