1.   He proudly claims to be able to sing three operas by heart.

2.   Barber wanted Maria Callas to sing the title role, but the temperamental soprano, who never had sung an opera in English, declined.

3.   By the following year, he had a permanent job in the opera house at Graz, Austria, singing one opera after another.

4.   He could be heard singing opera for hours.

5.   He sang opera on road calls.

6.   I do miss the experience of singing more opera.

7.   I think he came to Philips because it was his dream to make classical records and sing opera.

8.   Miss Freni examined it at the urging of Domingo, who wanted to sing the opera with her.

9.   On prime-time TV, beer-drinking young men sing opera over pints of Guinness.

10.   Texans drive in snow about as well as I sing opera.