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Their first and biggest hit, "Substitute", was a new arrangement of a Righteous Brothers song, composed by Willie Wilson. Clout's version reached #1 in South Africa, Australia, New Zealand, Germany, France, the Netherlands, Sweden, Austria, Denmark and Belgium. Substitute was held to the #2 slot by the #1 "You're The One That I Want", from the hit musical film Grease on the UK Singles Chart (Substitute remained in the UK charts for 15 weeks).
Shortly after Clout's "Substitute" climbed the charts worldwide, the song was re-arranged and recorded as an A-side release for Gloria Gaynor, though the single was soon flipped to the B-side, revealing her massive hit "I Will Survive".
Clout's "Substitute" reached #67 on the USA Billboard Hot 100. Due to sanctions on South African artists and performers by UK's Equity at the time, BBC Top of the Pops TV program acquired a video clip from Holland to present the hit song for their top ten countdown.
Clout split up in 1981, shortly after the release of their last major single, a re-arrangement of the Hall and Oates song "Portable Radio".
The Lead Vocalist Cindy Alter is now part of her own band Called Alter-Irving Band that did a rendition of "Jolene' in 2010. Irving being from the band - Bally Hoo
- Cindy Alter: lead vocals, guitar (1977–1981)
- Lee Tomlinson: bass, vocals (1977–1980)
- Ingrid "Ingi" Herbst: drums, vocals (1977–1981)
- Glenda Hyam: keyboards, vocals (1977)
- Jenni Garson: guitar, vocals (1977–1981)
- Ron "Bones" Brettell: keyboards, vocals (1978–1981)
- Sandy Robbie: guitar, vocals (1978–1981)
- Gary van Zyl: bass (1980–1981)
- 1978: Substitute (aka Clout)
- 1979: Six of the Best
- 1980: A Threat and a Promise
- 1981: 1977 to 1981
- 1992: Substitute (Dutch compilation)
- 1992: 20 Greatest Hits
- 2007: Since We've Been Gone (compilation)
- 2010: "The Best Of Clout" (compilation)
- "Portable Radio" (Hall & Oates)
- "Wish I Were Loving You"