Rebecca moved to Cardiff to take up the post of Principal Viola of the BBC National Orchestra of Wales after freelancing in London for many years. She was Assistant Principal Viola of the City of London Sinfonia and continues to play guest principal with many UK orchestras including the London Symphony Orchestra, the Scottish Chamber Orchestra and the baroque group Arcangelo with whom she performed the 6th Brandenburg Concerto at the Wigmore Hall. She is a frequent session musician and has toured with Adele, Bjørk and the Stereophonics. Rebecca is also a long-time member of the Callino String Quartet. They have played at London's Wigmore Hall, have twice been resident at Banff Centre for Arts and Creativity in Canada where they met and collaborated with Arcade Fire, and spent a week in New York with the famed contemporary specialists the Kronos Quartet, culminating in a recital at Carnegie Hall.
Rebecca's musically formative years were spent in Manchester at Chetham's School of Music and the Royal Northern College of Music, followed by postgraduate studies with Thomas Riebl at the Universität Mozarteum in Salzburg.