From age 3 to age 6, Andrew lived in Canada with her family. The family subsequently returned to the UK and settled in the Buckinghamshire area. Andrew earned a BA in Music, MA and PhD in Composition, all from the University of York. She presently has academic affiliations with Trinity College of Music through their Junior Trinity and Trinity Laban programmes and at the University of Kent.
Andrew's choral works have been published by Oxford University Press and by Faber Music. Her vocal trio piece The Song of Doves concluded the national memorial service for the victims of the 7 July bombings, receiving national broadcast live on the BBC and other news outlets. Her composition Dusk Songs was commissioned and recorded by The Ebor Singers, and released by Boreas Music in 2007. Elsewhere, her work has been recorded on the Naxos and Nonclassical labels. In November 2010, she was a prize winner in the Making Music category of the British Composer Awards for her composition Fall. She was composer-in-residence at the Handel House Museum from 2010-12.
In addition to her composition work, Andrew is a member of the ensembles Juice, DOLLYman and Metamorphic. She also performs as a solo alt-folk artist under the name You Are Wolf.