She premiered the Violin Concerto written for her by Guto Pryderi Puw, 'Soft Stillness' in 2014 with Orchestra of the Swan and recorded the work live with the BBC National Orchestra of Wales in 2017, included on her album Violin Muse with works written for Mitchell by David Matthews, Sadie Harrison, Michael Nyman and Geoffrey Poole together with premiere recordings of works by Judith Weir and Michael Berkeley. She premiered the Suite for violin and piano written for her by Robert Saxton at the Three Choirs Festival 2019.