In a fair and reasonable world, Roland Haynes would have compelled more attention than he did when his jazz-funk record 2nd Wave appeared on Black Jazz in the mid-1970s. Not to say the keyboardist was totally neglected back then, but he and other plugged-in pianists of his stylistic inclination (such as label-mate Doug Carn, Hampton Hawes, Don Grolnick, Larry Willis, and Gordon Beck) existed in the deep shadow cast by jazzman-turned-jazz-funk powerhouse Herbie Hancock, whose records with the H…