[Wouter Vuijk]

Originally Posted by chiliD

...would've been called Cerulean. It was all set to be released, but then Peter Green quit, so it was shelved until about 1984 or so. (although it was well-bootlegged up until then)

Here it is: Fleetwood Mac-Cerulean (from the Penguin Discography)

And then there was also the release of Live in Boston or many other names (mine is just called "Live"), which had other tracks not included on Cerulean.
http://www.fleetwoodmac.net/penguin/albums/boston.htm