11.   Domingo has sung the role in Milan, London, New York and Chicago.

12.   From a vocal standpoint he sang the role fairly well.

13.   For years Estes has sternly criticized opera companies that resisted allowing black artists to sing any roles they were vocally suited for.

14.   Fritz Krenn, the Austrian bass who plays Baron Ochs, was first encouraged to sing the role by Strauss himself.

15.   Gidon Saks, an Israeli bass-baritone, sings the role of Hamilcar.

16.   Hans-Joachim Ketelsen, the German baritone, sang the role splendidly but was not helped by the stage direction.

17.   He joined Emmanuel Music, sang supporting roles with the Boston Lyric Opera, and appeared with many area choral societies.

18.   I have heard lots of black tenors and baritones who are fabulous singers, only they are not singing major roles in the big theaters.

19.   I doubt if she will ever sing the role again.

20.   In this heavily symbolic operatic fable, Miss Rysanek sang the role of the empress, a role she had been advised against.