Only just found out he was in a sort of cosmic rock supergroup with the wonderful Kevin Ayers (ex Soft Machine, and still a solo legend) - Kevin Ayers & The Whole World :-
In 1969, Mike joined Kevin Ayers and the Whole World as guitarist. The band featured, as well as Kevin himself, David Bedford, who Mike was to often to work keenly together with in the following years. Mike worked on the albums "Shooting at the Moon", "Whatevershebringswesing", "Confessions of Dr. Dream and other stories" and "June, 1, 1974" (live) as well as appearing on the compilation LP's "The Kevin Ayers Collection" and "Odd Ditties". The Whole World split in 1971, although Ayers continued with other musicians.
There are a few clips on YouTube.