Music: Up from the Barbershop

Some highly successful reincarnations of the barbershop quartet have been producing a lot of lather in the pop-music business. Today's male vocal groups generally sport teen-age beanies, turtleneck sweaters and cloyingly cute names: the Four Aces, Four Freshmen, Hilltoppers, Platters, Pied Pipers, Crew-Cuts. The most refreshing recruits to this fraternity are four sober-suited young men who call themselves—no less cutely—the Hi-Lo's, but make a specialty of kidding the beanies off their brothers:

We were the Four Imposters,

Until it tore our voices to Tatters,

We sang like the Platters.

Last week the Hi-Lo's brought...