Big sweeping synth strings rolling into a shunkyBig sweeping synth strings rolling into a shunky snare beat and a rap about culture inform “John Wayne,” the opener of Rebel ACA & French Monkey Wrench’s new Sunday’s Cool. Mixing leftfield, hip hop, rock, into a heady mix, Rebel ACA (singing, playing some keys and manning the occasional beat) with French Monkey Wrench (sometimes singing, playing keys, guitar, bass and beats) present 13 quite melodic rap tunes with a goodly layering of instruments here.