A Shepard-Risset Glissando is a set of three musical scales, separated by octaves, played simultaneously to produce the auditory illusion of notes forever ascending (or descending). The effect isn’t ethereal so much as it is unnerving, because the layered scales never resolve. Songs and symphonies teach us to expect resolution. Melodies are boomerangs and hungry dogs: they always return. An ascending Shepard-Risset Glissando, instead, builds tension and anxiety to the breaking point—but without ever breaking.
Composer Hans Zimmer loves Shepard tones. And it wouldn’t surprise me in the least to learn that Dani Couture does as well. Listen Before Transmit (Wolsak and Wynn, 2018) her fourth book of poetry, never resolves—not even close. It only ascends. By the time you’ve reached the third and final untitled section of Listen, you’ve somehow made it to the outer atmosphere in a weather balloon: all the Earth you know reduced to miniatures, and space incomprehensibly massive above you.Continue Reading Listen Before Transmit by Dani Couture