Sound of the Underground (song) Spinner.com named "Sound of the Underground" the eighth best British song of the 2000s. "Sound of the Underground" debuted at number one on the UK Singles Chart on 22 December 2002. Girls Aloud sold just over 213,000 copies, while One True Voice's "Sacred Trust" sold only 147,000. Girls Aloud stayed at number one for a second and third week, the final chart of 2002 and the first chart of 2003. The single spent another week at number one, bringing "Sound of the Underground" to a total of four consecutive weeks at number one in the UK. It spent two weeks
Girls Aloud at number four on the UK Singles Chart. In March 2007, Girls Aloud collaborated with fellow British girl group Sugababes for the cover of the song "Walk This Way" by Aerosmith. Billed as "Sugababes vs. Girls Aloud", the song served as the official single for "Comic Relief" which became the group's third number one. In May 2007, Girls Aloud embarked on their third tour, . Girls Aloud released their fourth studio album, "Tangled Up", in November 2007. The first single from the album, "Sexy! No No No..." peaked at number-five on the UK Singles Chart. The second single, "Call the