"New" Recently Catalogued "Backing Tracks At Soundback"

Recently updated backing tracks that can be found on http://www.soundback.co.uk/ catalogue.

http://www.soundback.co.uk/mp3/STARSHIP/We-Built-This-City/6160.php

http://www.soundback.co.uk/mp3/ROD-STEWART/Do-Ya-Think-I-m-Sexy/6159.php

http://www.soundback.co.uk/mp3/20-FINGERS/Sex-Machine/6158.php

http://www.soundback.co.uk/mp3/LOVE-AFFAIR/Everlasting-Love/6157.php

http://www.soundback.co.uk/mp3/NIK-KERSHAW/I-Won-t-Let-The-Sun-Go-Down-On-Me/6156.php

http://www.soundback.co.uk/mp3/NIAMH-KAVANGH/In-Your-Eyes-Eurovision-Winner-1993/6155.php

http://www.soundback.co.uk/mp3/DOOLEYS/Wanted/6154.php

http://www.soundback.co.uk/mp3/GLORIA-ESTEFAN/Reach/6153.php

http://www.soundback.co.uk/mp3/GENESIS/Mama/6152.php

As usual we like to ask a question and it is, which of these tracks would you say is the oldest?