<P> McCartney recorded a solo demo version of the song on 6 September 1967 . This version was later released on the Anthology 2 compilation . Recording began in earnest on 25 September, with significant overdubs by the Beatles on 26 September . Mark Lewisohn said that the 26 September version was "almost a re-make". A take from 25 September--noticeably slower, somewhat heavier and with slightly different vocals--is also included on Anthology 2 . After another session on 27 September where McCartney added another vocal, the song sat for a month before flutes were added on 20 October . </P> <P> Ray Thomas of the Moody Blues has said that he and bandmate Mike Pinder contributed harmonicas to the song alongside Lennon and George Harrison . </P> <Ul> <Li> Paul McCartney--vocals, piano, acoustic guitar, recorder, bass, penny whistle </Li> <Li> John Lennon--harmonica, Jew's harp </Li> <Li> George Harrison--acoustic guitar, harmonica </Li> <Li> Ringo Starr--drums, maracas, zill </Li> <Li> Christopher Taylor--flute </Li> <Li> Richard Taylor--flute </Li> <Li> Jack Ellory--flute </Li> </Ul> <Li> Paul McCartney--vocals, piano, acoustic guitar, recorder, bass, penny whistle </Li>

Who played the recorder on fool on the hill