21st Century (2004). In the spirit of works by Mozart and Haydn bearing the same title, Hailstork's DIVERTIMENTO for Violin and Viola is a charming and light-hearted suite, designed to entertain and produce smiles through elegant levity. This delight wascomposed as an engagement gift for violinist Eva Cappelletti-Chao and violist Philippe Chao, who premiered the work. -the publisher