The Blue Things October 1965. A session drummer was used for the single sessions (in Nashville), as Larzalere had left and Day still had yet to join. Ray Walker, the bass singer from Elvis Presley's backing group The Jordanaires was used by producer Felton Jarvis to augment the group's vocal sound on "I Must Be Doing Something Wrong." and was the only non-Bluething vocal ever recorded. Once again, the single charted locally, but failed to chart outside of the Midwest. The following single, while repeating the chart action of the band's previous RCA single, at least gained the band some notoriety. The A-side,
Backing vocalist and even developing highly complex harmonies and arrangements. When they perform live, they may have backing vocalists who impersonate their voices. Some bands use backing vocals in order to contrast with the lead singer who may be performing an unusual vocal technique. For example, Brian "Head" Welch, the lead guitarist of the band Korn, performed backing vocals on several songs, and notably on the song "Ball Tongue", he screams the chorus while lead vocalist Jonathan Davis sings incomprehensible scat vocals. Similarly, the Canadian deathcore group Despised Icon uses two vocalists, one performing screams and another performing low, growling death grunts