Question: Who is the female singing "What a Wonderful World" on the MCI television commercial? I recognize Tony Bennett, but can't put my finger on that beautiful female voice! Help me, please! — Amy, Greenville, N.C.

Televisionary: That's k.d. lang, Amy. And you'll find it on their CD A Wonderful World (Columbia), on which the two offer a host of songs identified with the great Louis Armstrong.