The first guest, trumpeter Gordon Allen of Montréal, Quebec, set the tone blowing creatively in a restricted register, as part of an offbeat quartet featuring Mitch Ahern on a homemade instrument — a 1950s era washing-machine door attached to a quasi-fret board with electronic controls attached to it. Ahern colored in an understated background for Allen. Josh Baker played a bicycle wheel, with various sticks. Claire Elizabeth Barratt achieved unique equipoise between executing ballet steps and wielding a cello. Both reinterpreted Allen’s steady, airy lyricism with alternating outbreaks of percussion and sonority. The piece had an air of stillness, almost of timelessness, except that that very force of will giving it that feel ultimately pushed it toward an even more satisfying resolution. […]