nonclassical have announced the release of the first two Songbooks in a series composed by Christian Mason and inspired by traditional forms of overtone (or throat-singing) from around the world. Performed by Ligeti Quartet, the first album features two projects, taking as their inspirations the Tuvan vocal tradition of Khöömii and the practice of the Tenores in Sardinia. The album will be released on Friday 9 October. nonclassical is a music promoter, record label and events producer presenting the best new classical, experimental and electronic music. Crossing genre and defying convention, nonclassical develops, produces and promotes innovative music – supporting emerging artists and bringing new music to new audiences.