 The Sound of Girls Aloud : The Greatest Hits is the first greatest hits album of British girl group Girls Aloud . It was first released in the United Kingdom through a limited edition on 23 October 2006 , while the standard version was released on 30 October 2006 . The Sound of Girls Aloud features twelve of the group 's singles , two of which reached number one in the UK . The album features three new tracks , with " Something Kinda Ooooh " and " I Think We 're Alone Now " being released as singles and peaking inside the top five on the UK Singles Chart . 
