Either of these pieces, for advanced players, would make an exceptionally unusual and entertaining concert item. The writers, Aleksey Igudesman and Hyung-ki Joo, have stunned audiences, critics and fellow musicians worldwide with their combined musicianship and hilarious antics. They have now applied their skills and written these pieces specifically for the competition Feast of Duos but they are equally suitable for any concert performance.

Performers are warmly encouraged to ignore or elab...