1.   At interactive stations, visitors can impersonate a dolphin bouncing sounds off the ocean floor or hear how an operatic tenor singing underwater would sound a mile away.

2.   But that does not seem to unnerve Alberto Mizrahi, the cantor at Ansche Emet Synagogue in Chicago and an operatic tenor.

3.   He sang in churches and schools and aspired to be an operatic tenor.

4.   I listen to Bocelli with pleasure, but I am not convinced he has a promising career as an operatic tenor.

5.   It books Broadway musicals and operatic tenors.

6.   It is not your typical operatic tenor, an instrument of bravado.

7.   Serves four operatic tenors or six sopranos.

8.   The average operatic tenor is fiercely possessive of the limelight.

9.   There is an air of wishful thinking in the world of operatic tenors, and it blows from east to west.