<P> In Spring / Summer 1988 a Dutch radio station aired a no overdub version that was acquired through dubious raids on the Apple vaults and titled Beatles unlimited . (Private copy, used by owner only, is noted here .) </P> <Ul> <Li> John Lennon--lead vocal, backing vocal, electric piano, Mellotron </Li> <Li> Paul McCartney--bass guitar, tambourine, backing vocals </Li> <Li> George Harrison--electric guitar, backing vocals </Li> <Li> Ringo Starr--drums </Li> <Li> Orchestrated, directed and produced by George Martin . </Li> <Li> Session musicians--strings, brass and woodwinds </Li> <Li> Mike Sammes singers--backing vocals </Li> <Li> Ray Thomas--backing vocals </Li> <Li> Mike Pinder--backing vocals </Li> <Li> Engineered by Geoff Emerick and Ken Scott </Li> <Li> Mixed by Geoff Emerick and John Lennon </Li> </Ul> <Li> John Lennon--lead vocal, backing vocal, electric piano, Mellotron </Li> <Li> Paul McCartney--bass guitar, tambourine, backing vocals </Li>

Who sang lead on i am the walrus