Composer Errollyn Wallen speaks to Hattie Butterworth about her new book, out now on Faber, mapping her trajectory as an artist, extensive recordings and philosophy on life. Errollyn Wallen: Becoming a Composer Check out Deutsche Grammophon STAGE+ Music clips used: Cello Concerto from 'Photography' on NMC horseplay: lively from 'The Girl in My Alphabet' on Avie Records daedalus from 'Errollyn' on Avie Records Dervish for Cello and Piano from 'The Girl in My Alphabet' on Avie Records Peace on Earth from 'Peace on Earth EP' on the Kings College Cambridge label