"New" - Various Artists - "Backing Tracks At Soundback"

www.soundback.co.uk has just uploaded to it's server several new backing tracks of songs from the past.
http://www.soundback.co.uk/mp3/ELVIS-PRESLEY/Until-I-s-Time-For-You-To-Go/6177.php
http://www.soundback.co.uk/mp3/STEVIE-WONDER/Don-t-You-Worry-About-A-Thing/6176.php
http://www.soundback.co.uk/mp3/THE-MERSEYBEATS/I-Think-Of-You/6175.php
http://www.soundback.co.uk/mp3/SMALL-FACES/Lazy-Sunday/6174.php
http://www.soundback.co.uk/mp3/UB40/Don-t-Break-My-Heart/6173.php
http://www.soundback.co.uk/mp3/TAYLOR-DAYNE/Can-t-Get-Enough-Of-Your-Love/6172.php
http://www.soundback.co.uk/mp3/AALIYAH/Age-Ain-t-Nothin-But-A-Number/6171.php
http://www.soundback.co.uk/mp3/CHANGING-FACES/G-H-E-T-T-O-U-T/6170.php
http://www.soundback.co.uk/mp3/VARIOUS-ARTISTS/Rainbow-High/6169.php

We have a track under the artist catagoty of Various Artists called Rainbow High can anyone please tell us who was the artist that sang this song in the show.

Answers on a post please.