Ensemble Contrechamps - Ferneyhough, Brian 1943-; Lehmann, Hans Ulrich 1937-2013; Dayer, Xavier 1972-; Carter, Elliott 1908-2012; Ferneyhough, Brian 1943-; Lehmann, Hans Ulrich 1937-2013; Dayer, Xavier 1972-; Carter, Elliott 1908-2012