Mabel Greer's Toyshop didn't release any discs during their short existence, but did include a couple of future members of Yes (guitarist Peter Banks and bassist Chris Squire) in their lineup. Banks and Squire had been in the band Syn, which made a couple of good psychedelic pop singles in 1967. At the end of that year, while still in Syn, they began playing in Mabel Greer's Toyshop as well. Syn folded for good a couple of months later, but Mabel Greer's Toyshop continued until mid-1968; very shortly after they too broke up, Banks and Squire became founder/members of Yes.
In...