Sonny Jay Muharrem shows off his guitar skills at Capital's Summertime Ball 2013 This image appears in the gallery:Loveable Rogues At The Summertime Ball 2013 - Pictures 3. Sonny Jay Muharrem shows off his guitar skills at Capital's Summertime Ball 2013 Picture: PA 6 images See the full gallery: Loveable Rogues At The Summertime Ball 2013 - Pictures