Trichotomy: Known-Unknown review – dreamy jazz trip into electronic territory

(Challenge)The much-admired Australian piano trio Trichotomy (a band with Esbjörn Svensson Trio associations but independent compositional interests and a distinctive group feel) are launching their fifth album – an advance into more electronic territory without sacrificing their rugged, hooky themes and savvy pacing and drama. The trio’s punchy grooving – under pianist Sean Foran’s fluent lines and powerful chordwork, along with bassist Samuel Vincent’s light