First Trio Album for Three Violinsin Elementary First Position This lovely collection of original violin trios was compiled by Rubank legends Harvey Whistler and Herman Hummel, and is still in use on many state contest lists. Each is the perfect length for competition. The programmatic titles chosen by the editors describe each piece's innate style: Trio Brillante, Trio Caprice, Trio de Ballet, Trio Elegante, Trio Impromptu, Trio Pastorale, to name a few out of this collection of 25.