The banjo is emblematic of American country music, and it is at the core of other important musical movements, including jazz and ragtime. The instrument has been adopted by many cultures and has been ingrained into many musical traditions, from Mento music in the Caribbean and dance music in Ireland. Virtuosos such as B la Fleck have played Bach, African music, and Christmas tunes on the five-string banjo, and the instrument has had a resurgence...