For three years, the Raleigh-rooted improvisational collective Polyorchard have only existed in the real time of live performance. The revolving, motley assortment of classical, jazz and rock musicians have played practically every kind of music in every possible configuration in almost every Triangle venue, emerging as a vital and wonderfully vexing force of the area’s sonic fringes. But at last, and mere weeks before founder and sole constant David Menestres leaves North Carolina for New Mexico, Polyorchard have issued their first recording, Color Theory in Black and White. An impressive entry point into group improvisation, it arrives better now than never.

Polyorchard’s studio debut appears to pit strings against brass. On its “black,” first side, the trio of cellist Chris Eubank, violist Dan Ruccia and bassist Menestres deliver four tracks. (Ruccia is an occasional INDY contributor.) The second, “white” side contains six cuts with Jeb Bishop on trombone and Laurent Estoppey on saxophone, Menestres binding the two together. But this oppositional setup is a matter of presentation, not competition.

Still, it’s hard not to choose a team. Within passages that flow from microscopic sounds to lyrical swells and anxious moments that suggest Hitchcock soundtracks, the black trio offers plenty of classical toeholds. “Black 1,” the first and longest track on the album, shows Polyorchard’s penchant for establishing a motif but moving along before it goes stale. The action opens with a spidery crawl and builds full phrases from small scuttles. It develops until the sounds suggest the musicians working together to renovate a house, the audience left to listen from the basement. “Black 2” explores the percussive possibilities of the bodies and strings of the instruments. It’s simultaneously destructive and constructive, as though the group is playing while being bashed about by a windstorm.

The horns of the white trio offer fewer jazz echoes but instead breathe and burble with molten intensity. Their output feels more disparate and airborne, with the insect sounds of strings giving way to the honks and chirps of the birdlike horns. “White 1” echoes “Black 2” in its opening, fooling the ear into wondering if this is organized music at all, and not a field recording from some remote rain forest. The tracks take time in developing from a chatter of clipped, skittering sounds into declarative choruses of sustained notes and elaborated phrases. “White 4″doesn’t begin to cohere until around the six-minute mark, when it finds a bright melody and some momentum, suggesting something Stravinsky might have shoehorned into The Rite of Spring.

The album and track titles stem from an inexpensive, black-and-white edition of Josef Albers’ seminal 1963 treatise, Interaction of Color. Albers intended for the influential book to be an exhaustive teaching catalog of how color combinations can produce specific results to the human eye. In discussing harmony, he differentiated its visual and musical aspects. Albers described visual art as spatial and music as linear. Music was experienced as a single tone or set of tones moving “perhaps not in a straight line, but of necessity in a prescribed order and only in one directionforward. Tones heard earlier fade, and those farther back disappear, vanish.”

With Color Theory in Black and White, Polyorchard shows how Albers’ definition of music is limited. Group improvisation requires a sustained attention not only to the present moment but to the music that preceded it as well as the many possible directions it could take. While some improvisers vie to get out in front of each other to show off their chops, the elements of Polyorchard get behind each other. This holistic surface never wavers, a byproduct of all those gigs during the last three years. The musicians are listeners first, players second.

Label: self-released

This article appeared in print with the headline “Arrivals, departures and Additions.”