18
Sep
IN THE 1970S, buying a print of Ernie Barnes’s “The Sugar Shack,” the iconic 1976 dance club painting that adorns the cover of Marvin Gaye’s album released that spring, “I Want You,” and appears in the credits for the classic sitcom “Good Times” (1974-79), required nothing more than mailing a $20 check to the artist’s West Hollywood studio. In 2022, the second of two originals — inspired by a childhood adventure of sneaking into a famed dance hall to watch couples drag and sway to the live performances of Clyde McPhatter or Duke Ellington — came up for auction at…