Metal Beach was released on a Paul Shaffer album in 1988 or 1989.
I Sleep Alone was written for a british actress, but never released. It was performed live by Brian on a VH1 show.
There's also a studio version floating around. It ain't good.

Written for Sarah Brightman, one-time wife of Andrew Lloyd-Webber. Should warn you that a lot of the info that comes with those videos is, to be charitable, less than entirely accurate.

Loaf, at the risk of blowing my own trumpet - but then, if I don't, who will ? - check out my BB site, which has details of BB guest performances, unreleased songs... oh, and a whole other bunch of drivel.
http://www.esquarterly.com/bellagio/