The Five Blue Notes were an American doo-wop group based in Chicago during the 1950s. Their distinctive sound was characterized by tight harmonies, with the interplay between the lead and backup vocals forming a key part of their appeal. Although they didn't achieve major commercial success, their music, including notable tracks like "My Gal Is Gone" and "Ooh Baby", has been influential in the doo-wop genre. The group's members, Harold Jones, Robert Lewis, Bernard Robertson, Eddie Thomas, and Melvin White, contributed significantly to the vibrant and thriving Chicago music scene of their era.