A musicologist and composer, he is currently Professor in Music in the School of Music at Bangor University.
His research and teaching interests include minimalist music, the new tonality of the twenty-first century and reference and quotation in contemporary music. In 2007 he co-organized the First International Conference on Minimalist Music and helped establish the Society for Minimalist Music.
He is author of The Music of Michael Nyman (Routledge, 2007), editor of Michael Nyman: Collected Writings, and co-editor of The Ashgate Research Companion to Minimalist and Postminimalist Music (both Routledge, 2013). Among his works as a composer are The White Wheat for solo violin, Opera/Oratorio Gair ar Gnawd (Word on Flesh), and Sevi for soprano, string orchestra and piano. In 2016 he received a Leverhulme Research Fellowship to focus on Reich’s music. He is a regular contributor to the music magazines Gramophone and The Strad.