Mahan Esfahani and Avi Avital at the Bristol Proms This image appears in the gallery:Avi Avital and Mahan Esfahani at the Bristol Proms 14. Mahan Esfahani and Avi Avital at the Bristol Proms Jammin' on my mandolin. Nothing to see here. Photo: Andy Squire 17 images See the full gallery: Avi Avital and Mahan Esfahani at the Bristol Proms