The ARUNDO quintet shines with virtuosic expressiveness and a variety of sounds in the classical lineup of flute, oboe, clarinet, bassoon, and horn. On its second CD, "Saga," the ensemble brings to life four varied worlds of sound that immediately stimulate the imagination. Claude Debussy's colorful re-creations of a bygone ideal, Carl Nielsen's play with the diversity of human characters, and Lalo Schifrin's reinterpretation of the New Orleans style have long accompanied the ensemble and have become part of its own history as "heartfelt pieces." As with the highly acclaimed debut CD, "Origin," the ARUNDO quintet has commissioned a new work from the American composer Kevin Beavers: The "saga" continues…