Perfect Unison, is a powerful track based on the interval of the octave. Along with the fifth, the most perfectly consonant interval and one of the first intervals we recognize when young. It features a repeating cycle with an elastic, rubato rhythm that is governed, not by strict tempo but the phrasing itself, hence the term rubato. Features classical guitar, bass guitar and hammered dulcimer. Duration: 15 and 30 mins approx.