Question: What English glam rock singer born as Paul Francis Gadd co-wrote Always Yours?

Context articles: Gary Glitter
Love Like You and Me
Dance Me Up
Oh Yes! You're Beautiful
Rock and Roll (Gary Glitter song)
Always Yours
Gary Glitter discography
Doctor and the Medics
Another Rock and Roll Christmas
Mud (band)

Paul Francis Gadd (born 8 May 1944), known by the stage name Gary Glitter, is an English former glam rock singer, who achieved popular success in the 1970s and 80s.
 He was known for his extreme glam image of glitter suits, make-up and platform boots, and his energetic live performances.
 He sold over 20 million records, spent 168 weeks on the UK Singles Chart and had 21 hit singles placing him in the Top 100 UK most successful chart acts.
 From 1997, he returned to public notice for committing sex offences, being imprisoned for downloading child pornography in 1999, and child sexual abuse and attempted rape in 2006 and 2015.
"Love Like You and Me" is a song by English glam rock singer Gary Glitter, written by Glitter with Gerry Shephard and Mike Leander and produced by Mike Leander.
 It was released as a standalone single in the UK in 1975, and peaked at No. 10 on the UK Singles Chart.
"Dance Me Up" is a song by English glam rock singer Gary Glitter, written by Glitter with Mike Leander and Eddie (Edward John) Seago and produced by Mike Leander.
 It was released as the second single from his fifth studio album, "Boys Will Be Boys" (1984).
 The single features the non-album track, "Too Young to Dance" as its B-side, which was exclusive to the single.
"Oh Yes!
 You're Beautiful" is a song by English glam rock singer Gary Glitter, written by Glitter with Mike Leander and produced by Mike Leander.
 It was released as a standalone single in the UK in 1974, and peaked at No. 2 on the UK Singles Chart.
 The single features the non-album track, "Thank You, Baby, For Myself" as its B-side, which was exclusive to the single.
"Rock and Roll" (also known as "The Hey Song") is a song by English glam rock singer Gary Glitter that was released in 1972 as a single and on the album "Glitter".
 Co-written by Glitter and Mike Leander, the song is in two parts: Part 1 is a vocal track reflecting on the history of the genre, and Part 2 is a mostly instrumental piece.
 Both parts were popular in Britain, and the single went to No. 2 on the British charts.
 In concert, Glitter merged both into one performance.
"Always Yours" is a song by English glam rock singer Gary Glitter, written by Glitter with Mike Leander and produced by Mike Leander.
 It was released as a standalone single in the UK in 1974, and was Glitter's third and final number-one single on the UK Singles Chart, spending a week at the top of the chart in June 1974.
 It also spent two weeks at number-one in Ireland, and peaked at No. 11 in Australia and No. 14 in Germany.
 The single features the non-album track, "I'm Right, You're Wrong, I Win!"
 as its B-side, which was exclusive to the single.
English glam rock singer Gary Glitter (born Paul Francis Gadd) released 7 studio albums, 4 live albums, 13 compilation albums, 1 extended play (EP), 42 singles, including 3 UK number-one singles
Doctor and the Medics are an English glam rock band formed in London in 1981.
 The group received their great success during the 1980s and are best known for their cover of Norman Greenbaum's "Spirit in the Sky", the group's hit single which reached No. 1 in the UK singles charts.
 The band currently performs, with a different line-up, as a tribute act to various artists.
 The group's musical style includes neo-psychedelia, glam rock, new wave and pop rock.
"Another Rock and Roll Christmas" is a Christmas song by English glam rock singer Gary Glitter, written by Glitter with Mike Leander and Eddie (Edward John) Seago and produced by Mike Leander.
 It was one of the most played Christmas hits on UK radio from the mid-1980s to the mid-1990s, but is now rarely heard publicly following Glitter's convictions on child pornography and abuse charges.
 Initially released in 1984, the song was later included on Glitter's fifth studio album, "Boys Will Be Boys" (1984) and was reissued many times, both as a single (including a collectors picture disc) and on other albums.
Mud (now Mud II) are an English glam rock band, formed in February 1966.
 Their earlier success came in a pop and then glam rock style, while later hits were influenced by 1950s rock and roll, and are best remembered for their hit singles "Tiger Feet", which was the UK's best-selling single of 1974, and "Lonely This Christmas" which reached Christmas number 1 in December 1974.
 After signing to Rak Records and teaming up with songwriters/producers Nicky Chinn and Mike Chapman, the band had fourteen UK Top 20 hits between 1973 and 1976, including three number ones.