'Long Gradus' began in 2020 when Sarah Davachi was selected to participate in Quatuor Bozzini’s Composer’s Kitchen residency, which was to be a joint production with Gaudeamus Muziekweek in the Netherlands. With the postponement of the residency to the following year, the composer was given the opportunity to take a step back and look at the piece over a much longer period of time than would have ordinarily been possible. The resulting longform composition in four parts, written in its initial form for string quartet, was developed as an iteration of an ongoing preoccupation with chordal suspension and cadential structure. In this context, horizontal shifts in pitch material and texture occur on a very gradual scale, allowing the listener's perceptions to settle on the spatial experience of harmony. A system of septimal just intonation helps to further the production of a consonant acoustic environment. 'Long Gradus' uses a formalized articulation of time-bracket notation alongside unfixed indications of pitch, texture, and voicing that allow the players some discretion in determining the shape of the piece. A sense of pacing that is markedly different from that of mensural notation emerges accordingly, while the open structure of the composition results in each performance having a unique and unpredictable configuration.
