I've just checked out a Mike & the Mechanics site & there is a photo of Carrack in the top left hand corner so it seems he was an ex-member.

http://www4.tripnet.se/~bot/mike.htm

In fact - it seems M&TM was just one of his projects. He is currently doing a solo tour. Here is his official page:

http://www.carrack-uk.com/


Mike