Mahan Esfahani and Avi Avital at the Bristol Proms This image appears in the gallery:Avi Avital and Mahan Esfahani at the Bristol Proms 5. Mahan Esfahani and Avi Avital at the Bristol Proms Avi Avital's really getting into a spot of Baroque music. Photo: Andy Squire 17 images See the full gallery: Avi Avital and Mahan Esfahani at the Bristol Proms