If you're talking about the version that I just saw today (26/06/2008) on ITV.... then a search on "www.last.FM" reveals that Alma Cogan sang a version of "Jolly Good Company" if that's any help.
You can listen to a sample at..
http://www.last.FM/music/Alma+Cogan/_/Jolly+Good+Company
Guns N' Roses
Shirley Bassey
The person who sings the song in the "Dreams" bed advert is Roy Orbison
sounds like natasha beeddingfield to me?
I think it's Priscilla Ahn No it is is One Republic Love Runs Out. A great song
Benjemen Hornet!
womack
Tony Bennett
? Dani Klien
duffy
Natasha Beddingfield
The Skids, Into The Valley.
Motorpoint Arena Sheffield is an indoor arena in United Kingdom and was opened on 1991.
Hellen O'Connel & Dean Martin
Guns N' Roses
Shirley Bassey
Lenka sings in the DFS advert (I think? ? ?) :) :)