Engaging an expanded version of the ensemble from his Mutual Aid Music, trumpeter Nate Wooley provides scores for his players in various configuration that challenge concepts of group composition, instrumental sound and resonance, idealized tones and the human voice, the development of melody and harmony in compositions, &c.; performers include Wooley, Seymore Wright, John McCowen, Gabby Fluke-Mogul, Cory Smythe, Luke Stewart, Eric Wubbels, &c.

Exploring the resonant properties inside a Bb clarinet caused by overtones, overblowing and other unusual reed techniques, Switch~ Ensemble clarinetist Madison Greenstone generates ten studies of extreme yet tremendously controlled anomalies on the single reed, each piece a masterwork of control in the extremities of unexpected sonic expression.

Two clarinetists--John McCowen, also the composer, and Madison Greenstone, both on clarinet & bass clarinet--taking the title from Boethius' (427-524 AD) printed work on ancient Greek music: "De institutione musica", as they generate long-form drones using the harmonic interactions and interference patterns of similar tones, overtones, and difference tones; impressively intense.