Punk jazz describes the amalgamation of elements of the jazz tradition (usually free jazz and jazz fusion of the 1960s and 1970s) with the instrumentation or conceptual heritage of punk rock (typically the more experimental and dissonant strains, such as no wave and hardcore). John Zorn's band Naked City, James Chance and the Contortions, Lounge Lizards, Universal Congress Of, Laughing Clowns and Zymosis are notable examples of punk jazz artists.