Pink Floyd have been known to perform and/or record a number of songs and instrumentals which have never been officially released on a single or album. Only those whose existence can be reliably confirmed are listed here. Bootleg recordings of the majority of below listed songs exist. Several previously unreleased songs appeared on The Early Years 1965–1972 box set in November 2016, and The Later Years box set in December 2019, which marked their first official releases. Syd Barrett–era unreleased songs "I Get Stoned" "I Get Stoned" is a Barrett song recorded live-in-studio on 31 October 1966, along with a version of "Interstellar Overdrive", at Thompson Private Recording Company. The song features Barrett with an acoustic guitar. The song was performed during a gig at the All Saints Hall in 1966. The opening lines are thought to be "Living alone/I get stoned". The master tapes for the song are unknown, however under the title "Living Alone", a demo was recorded by Barrett during the sessions for the Barrett album on 27 February 1970. "Pink Theme" "Pink Theme" is a song performed by the Barrett-era Pink Floyd in 1966. The song is thought to be an instrumental. Pink Floyd recorded the song at a concert at The All Saints Church Hall in London, England, on 14 October 1966. No known recording of this song is extant. "Flapdoodle Dealing" "Flapdoodle Dealing" is an instrumental song performed by the Barrett-era Pink Floyd in 1966. Roger Waters is thought to have come up with its title. Pink Floyd never recorded a studio version of the song, however, a version was recorded live at a concert at The All Saints Church Hall in London, England, on 14 October 1966. "Let's Roll Another One" "Let's Roll Another One" is a Barrett song, later retitled "Candy and a Currant Bun" before being released in 1967. It was written in 1965. It features the original lyrics which were altered for the released single at the suggestion of Waters, allegedly due to concerns about the acceptability of drug references, and the song can be found on bootlegs like "Feed Your Head". "She Was a Millionaire" "She Was a Millionaire" is a Barrett song, recorded at Abbey Road on 18 April 1967, as a possible B-side. Manager Peter Jenner said that the track was "the one that got away, the hit they were looking for." The opening lines are thought