Shelley has performed both as a soloist, orchestral and chamber musician in the UK and abroad. Her solo appearances include the Mozart and Weber concerto’s no’s 1 and 2, as well as the Krommer double concerto with all the major Symphony orchestras in South Africa. She has also performed as soloist with the Geneva Conservatoire Orchestra, in Switzerland. She has performed as an orchestral freelancer in the Cape Town Symphony orchestra, the Natal Philharmonic Orchestra, Brunel Ensemble, The Royal Philharmonic Orchestra and BBC Scottish Symphony Orchestra amongst others. Shelley has given numerous solo and chamber music concerts in South Africa, France, Germany, Greece, Sweden, The Netherlands, Switzerland and Canada, including all the major duo clarinet sonatas as well as chamber ensemble works by Mozart, Beethoven, Schumann, Bartok, Brahms, Bruch, Poulenc, and Stravinsky. In 2010 she commissioned and gave a World Premier of Yoko Kubo's piece 'Reflections' for flute and clarinet at the Sani International Festival in Greece while more recent commissions include a trio for alto flute, clarinet and piano by British composer Ian Stuart. In the UK shelley has appeared at various important venues including the Royal Albert Hall and the Barbican and has been broadcast by BBC Radio 3 with Leto Ensemble. Other venues have included performances in the Baxter Concert Hall and Linder Auditorium in South Africa, The Gothenburg Opera Foyer chamber music series in Sweden and Demetria Festival in Greece. Shelley is a founding member of ‘Ensemble Hans Gal’, ‘Leto Ensemble' and 'Ensemble Burletta'. She is currently working on recording a cd of all Hans Gal's music for clarinet and strings with Ensemble Burletta , which will be released under the Toccata Classics record label.
Shelley is an experienced clarinet teacher and chamber music coach. She has also given masterclasses at Memorial University of Newfoundland and Labrador, Canada. She works in various schools in London and currently teaches at the Camden Music Centre and at Camden School for Girls.