Barnaby creates video essays on music for his YouTube channel Listening In, analysing music from film, classical music and music in art and literature. The videos aim to provide complex information in an accessible format, combining intricate visual and musical storytelling devices to convey an idea in an engaging way. Since releasing his first video in 2019, Listening In has gone from strength to strength, gaining over 178,000 subscribers and nearly 7.5 million views.

As a composer, Barnaby's music has been performed widely in the UK and internationally by groups including the Tokyo Philharmonic Orchestra, the Orchestra of Opera North, the Berkeley Ensemble, the Ligeti Quartet, the choir of St Paul’s Cathedral and Westminster Cathedral Choir. In 2018, his work for large orchestra, Quanta, was selected as the winner of the Toru Takemitsu Composition award. The piece, which was one of four to be selected for the final of the competition by Unsuk Chin out of 143 entries from 40 countries, was first performed by the Tokyo Philharmonic Orchestra in May 2018. Barnaby is the only composer from the UK to have received first prize in the history of the competition. In 2017, Barnaby's 45-minute cantata based on the story of the Temptations of Christ was nominated for a BASCA British Composer Award, and in 2019, he followed this up with a nomination for an Ivors Composer Award for his work for organ and electronics, Partials.

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To view scores, listen to recordings and watch videos of Barnaby's compositions, visit the music page.

Barnaby is video maker, music communicator and award-winning composer of contemporary classical music.