Recorded primarily at Issue Project Room in Brooklyn and leveraging the natural resonance of that performance space, the New York trio of innovative improvisers Henry Frase on double bass, John McCowen on Bb and contrabass clarinets and Sam Weinberg on tenor & soprano saxophones explore the peripheries of their instruments in intense and reflective interplay.

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.