11.   His predecessors include the father, grandfather and great-grandfather of the opera composer Giacomo Puccini, all of them church musicians.

12.   I found that Vivaldi was more famous as an opera composer than as a composer for sacred music or even as an instrumental composer.

13.   Indeed, among the great opera composers, variant versions and stretches of superfluous writing are the rule rather than the exception.

14.   Like other opera composers of his era, Donizetti wrote for specific singers.

15.   Many commissions and expensive productions have been handed over to aspiring American opera composers with no such affinity.

16.   Plays, legends and famous historical events have always been common fodder for opera composers.

17.   Shakespeare has a fatal attraction for opera composers.

18.   Should opera composers write like Broadway?

19.   Sometimes opera composers must invent vernacular music to suit their purposes.

20.   The great opera composers had no such disjunction.