Though Keith Emerson died in March 2016, the influential body of work left behind by the keyboardist, arranger and composer lives on.  A decade before his untimely passing, Emerson compiled a disc’s worth of previously unreleased tracks.  He described 2006’s Off the Shelf as “a veritable cornucopia of potpourri within an audio montage!”  Now, that collection has been reissued by Cherry Red’s Esoteric Recordings imprint for those fans of the late artist who missed it the first time. Emerson first rose to fame as a member of The Nice, establishing himself as…