Dr. John Dr. John's Gumbo [Limited Edition, Turquoise Marble Colored VinyDESCRIPTION Limited turquoise marble colored vinyl LP pressing. Dr. John's Gumbo is the fifth album by New Orleans singer and pianist Dr. John, a tribute to the music of his native city. The 1972 album is a collection of covers of New Orleans classics, played by a major figure in the city's music. It marked the beginning of Dr. John's transition away from the eccentric stage character that earned him a cult following, and toward a more straightforward