The Hi-Lo's were a successful a cappella quartet formed in 1953. They named themselves the "Hi-Lo's" to emphasize their collective vocal range. The group consisted of:
Gene Puerling, bass-baritone, arranger and leader
Bob Strasen, baritone
Bob Morse, baritone and occasional soloist
Clark Burroughs, tenor The Hi-Lo's tower among the most innovative and influential close harmony quartets of the postwar era, expanding the parameters of traditional pop via sophisticated, jazz-inspired arrangements that profoundly shaped the rock & roll generation who followed in the group's wake.