Question: Who sings on Money, by the performer of In the Flesh?

full_context: Document 1: The Great Gig in the Sky: ``The Great Gig in the Sky ''is the fifth track on The Dark Side of the Moon, the 1973 album by the English progressive rock band Pink Floyd. The song features music by Richard Wright and non-lexical vocals by Clare Torry.
Document 2: Shine On You Crazy Diamond: ``Shine On You Crazy Diamond ''The single edit of Part I Song series by Pink Floyd from the album Wish You Were Here Published Pink Floyd Music Publishers Ltd Released 15 September 1975 Recorded January -- July 1975 Genre Progressive rock ambient Length 26: 00 (All parts) 13: 32 (Parts I -- V) 12: 28 (Parts VI -- IX) 3: 53 (Single edit) Label Harvest (UK) Columbia / CBS (US) Songwriter (s) David Gilmour, Roger Waters, Richard Wright Producer (s) Pink Floyd
Document 3: No More Lonely Nights: Paul McCartney -- lead vocal, piano Linda McCartney -- backing vocal, keyboards Eric Stewart -- backing vocal David Gilmour -- guitar solo Herbie Flowers -- bass Anne Dudley -- synthesiser Stuart Elliott -- drums
Document 4: Roger Waters discography: Roger Waterss primary instrument is the electric bass guitar. He briefly played a Höfner bass but replaced it with a Rickenbacker RM-1999/4001S, until around 1970 when he switched to Fender Precision basses. He often plays bass using a pick but is also known to play fingerstyle. Not only a bassist and vocalist, Waters has experimented with the EMS Synthi A and VCS 3 synthesisers and has played electric rhythm and acoustic guitars in recordings and in concert. Throughout his career he has used Selmer, WEM, Hiwatt and Ashdown amplifiers, also employing delay, tremolo, chorus, panning and phaser effects in his music.
Document 5: The Dark Side of the Moon: Returning from the US in January 1973, they recorded "Brain Damage", "Eclipse", "Any Colour You Like" and "On the Run", while fine-tuning the work they had already laid down in the previous sessions.  A foursome of female vocalists was assembled to sing on "Brain Damage", "Eclipse" and "Time", and saxophonist Dick Parry was booked to play on "Us and Them" and "Money".  With director Adrian Maben, the band also filmed studio footage for Pink Floyd: Live at Pompeii. Once the recording sessions were complete, the band began a tour of Europe.
Document 6: Money (Pink Floyd song): "Money" is a song by the English progressive rock band Pink Floyd from their 1973 album "The Dark Side of the Moon". Written by Roger Waters, it opened side two of the LP record.
Document 7: Money (Pink Floyd song): David Gilmour -- lead vocals, electric guitars Roger Waters -- bass guitar, tape effects Richard Wright -- Wurlitzer electric piano (with wah - wah pedal) Nick Mason -- drums, tape effects
Document 8: The Trial (song): "The Trial" (working title "Trial by Puppet") is a track from Pink Floyd's 1979 rock opera/concept album "The Wall". Written by Roger Waters and Bob Ezrin, it marks the climax of the album and film.
Document 9: Wish You Were Here (Pink Floyd song): ``Wish You Were Here ''is the title track on Pink Floyd's 1975 album Wish You Were Here. Like most of the album, it refers to former Pink Floyd member Syd Barrett and his breakdown. David Gilmour and Roger Waters collaborated to write the music, and Gilmour sang the lead vocal.
Document 10: In the Flesh (Pink Floyd song): "In the Flesh" (working title "The Show") is a song by English progressive rock band Pink Floyd. It appears on their 1979 album "The Wall".
Document 11: One of My Turns: "One of My Turns" is a song by Pink Floyd, appearing on their 1979 album "The Wall". The song was also released as a B-side on the single of "Another Brick in the Wall (Part 2)".
Document 12: The Wall – Live in Berlin: The Wall – Live in Berlin was a live concert performance by Roger Waters and numerous guest artists, of the Pink Floyd studio album "The Wall", itself largely written by Waters during his time with the band. The show was held in Berlin on 21 July 1990, to commemorate the fall of the Berlin Wall eight months earlier. A live album of the concert was released 21 August 1990. A video of the concert was also commercially released.
Document 13: Don't Leave Me Now (Pink Floyd song): "Don't Leave Me Now" is a song by Pink Floyd. It appears on "The Wall" album (1979) and was released as a B-side on the single of "Run Like Hell".
Document 14: I Am the Walrus: John Lennon -- lead vocals, electric piano, Mellotron Paul McCartney -- bass guitar, tambourine George Harrison -- electric guitar Ringo Starr -- drums Orchestrated, directed and produced by George Martin Session musicians -- strings, brass, and woodwinds Mike Sammes singers -- backing vocals Ray Thomas -- backing vocals Mike Pinder -- backing vocals Engineered by Geoff Emerick and Ken Scott Mixed by Geoff Emerick and John Lennon
Document 15: Welcome to the Machine: "Welcome to the Machine" is the second song on Pink Floyd's 1975 album "Wish You Were Here". It features heavily processed synthesizers and acoustic guitars, as well as a wide range of tape effects. Both the music and the lyrics were written by bassist Roger Waters.
ground_truth: David Gilmour
sub_queries: In the Flesh >> performer Answer: Pink Floyd
who does the vocals on money by Pink Floyd Answer: David Gilmour