Sacred Trust / After You're Gone competed for the number one position in the Christmas week issue of the UK Singles Chart, and Girls Aloud came out on top with their song "Sound of the Underground". Girls Aloud later released their own version of "Sacred Trust" on the rarities disc of their 2006 greatest hits album "The Sound of Girls Aloud". "Sacred Trust / After You're Gone" debuted at number two on the UK Singles Chart on December 22, 2002, the same day that their rivals Girls Aloud reached number one with "Sound of the Underground". The single sold 147,000 copies compared to first week sales
Chemistry (Girls Aloud album) weeks later. However, the album was certified platinum in Ireland. All tracks were produced by Xenomania. Credits adapted from the liner notes of "Chemistry". Chemistry (Girls Aloud album) Chemistry is the third studio album by British girl group Girls Aloud. It was released in the United Kingdom on 5 December 2005 by Polydor Records. After the success of "What Will the Neighbours Say?", the album was again entirely produced by Brian Higgins and his production team Xenomania. "Chemistry" is a loose concept album which details celebrity lifestyle and "what it's like to be a twentysomething girl in London." A number