Music: That's My Boy

The first two lines of Irving Berlin's Call Me Madam hit, You're Just in Love, came through in fairly standard fashion—in a bouncy, manly baritone, only a little off key.

I hear singing and there's no one there,

I smell blossoms and the trees are bare...

But then a fresh and familiar female voice chirped in, "That's my boy." As the verses went on there was more motherly comment ("Take a bigger breath next time, son") and finally a chummy duet on the last chorus. Last week, following a family-singing trail somewhat haphazardly blazed last summer by Bing Crosby and his son...