Young guitar star with an instant fan club ‘To judge from the whoops and whistles that greeted him, Morgan Szymanski already has a fan club. He made light of Alberto Ginastera’s 1976 Sonata, an enjoyable period piece, demanding a virtual anthology of extended techniques . . . In Carlo Domeniconi’s Koyunbaba, the density of sound was as near to symphonic as the unamplified guitar gets….We will hear more of him