Just to name a few famous clients:

Keith Richards of the Rolling Stones
Taj Mahal - Grammy winning blues artist
Richard Haywood - the drummer for Little Feat
Bruce Berman - Vice President of Warner Bros.
Michael Mann - Famous Producer best known for Miami Vice, Last of the Mohicans, Speed,
Spike Lee - Movie Director, Actor
Ted Danson - Actor
James Belushi - Actor
James Taylor - Grammy Award winning artist
David Ginsberg - Owner of the Red Sox
Rodney Pete - NFL Quarterback
Chris Nylan, Ray Borke, Jay Miller - Boston Bruins
Trevor Gowdy - T.V. Producer for many fishing shows
And the list goes on and on...