<P> The next night at Winterland, a TV set was wheeled onstage during the Doors set so the band could see themselves on The Jonathan Winters Show . They stopped playing "Back Door Man" when their song came on . The audience watched the Doors watching themselves on TV . They finished the song when their bit was done, and Ray walked over and turned the TV off . The next night was their last ever in Winterland . </P> <P> They played two more dates in Denver on December 30 and 31, 1967, capping off a year of almost constant touring . </P> <P> The Doors spent several weeks in Sunset Studios in Los Angeles recording their second album, Strange Days, experimenting with the new technology, notably the Moog synthesizer they now had available . The commercial success of Strange Days was middling, peaking at number three on the Billboard album chart but quickly dropping, along with a series of underperforming singles . The chorus from the album's single "People Are Strange" inspired the name of the 2010 documentary of the Doors, When You're Strange . </P> <P> Although session musician Larry Knechtel had been featured on bass on several tracks on the band's debut album, Strange Days was the first Doors album recorded with a studio musician on bass on most of the tracks, and this continued on all subsequent studio albums . Manzarek explained that his keyboard bass was well - suited for live situations but that it lacked the "articulation" needed for studio recording . Douglass Lubahn played on Strange Days and the next two albums; but the band used several other musicians for this role, often using more than one bassist on the same album . Kerry Magness, Leroy Vinnegar, Harvey Brooks, Ray Neopolitan, Lonnie Mack, Jerry Scheff, Jack Conrad (who played a major role in the post Morrison years touring with the group in 1971 and 1972), Chris Ethridge, Charles Larkey and Leland Sklar are credited as bassists who worked with the band . </P>

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