Having played straightforward hard rock with Mr. Big since the tail end of the '80s, bass virtuoso Billy Sheehan formed Niacin as an outlet for his jazz fusion and prog rock inclinations during the mid-'90s. The trio also featured keyboardist John Novello and drummer Dennis Chambers, both musicians who had crossed frequently between the worlds of jazz and rock during their careers. With Niacin, Novello devoted himself especially to the Hammond B-3 organ, a longtime mainstay of both jazz and prog rock. The band recorded a self-titled debut album in 1996, following it up in 1998...