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,
The Who Tour 1971 in the year. 1971 was also the first year the group performed with backing tapes, which allowed them to include the synthesizer tracks from both "Won't Get Fooled Again" and "Baba O'Riley" onstage. Recorded backing tracks would be used more extensively during the "Quadrophenia" tours in 1973–1974 and in later years for songs like "Who Are You", "You Better You Bet", and "Eminence Front". Live material from 1971 (excluding TV appearances where the band mimed to pre-recorded material) has appeared on a number of different releases: The band played at least six shows at London's Young Vic theatre between 4