Stay Another Day who would be "rivals" and compete for the Christmas number one single in 2002. Girls Aloud competed against One True Voice, managed by music producer Pete Waterman. Girls Aloud recorded a cover version of "Stay Another Day" as their debut single, with Cheryl Cole providing lead vocals. After Girls Aloud recorded "Sound of the Underground", "Stay Another Day" was instead released as its B-side. The release was originally meant to be a double A-side, and it is often mistakenly labelled as such. "Stay Another Day" was performed on "This Morning", "Top of the Pops" and "Top of the Pops Saturday"
Girls Aloud has also released "Girls on Film" and "Style". Official calendars have also been issued annually from 2004 to 2009, the only exception being 2005. Girls Aloud co-wrote an autobiography titled "Dreams That Glitter – Our Story". The book, named after a lyric in "Call the Shots", was published in October 2008 through the Transworld imprint Bantam Press. Before the release, OK! magazine bought the rights to preview and serialise the book. In 2007, Girls Aloud signed a £1.25m one-year deal to endorse hair care brand Sunsilk. The girls filmed a television advertisement and appeared in and magazine advertisements, with each