Here's a clip from Johhny Mac and The 4th Dimension. Whether his tone is good or not, his musicanship is (and always has been, imho) stunning and unquestionable ....
As a session musician in the London scene in the 60's, through The Mahavishnu Orchestra, the Live in San Francisco concert with Al Di Miola and Paco de Lucia and then too much to mention here, this guy was/is a true visionary ...
More than worthy of a mention here is his exceptionally fine bassist .....