(1)According to the University of Tubingen (ARCHEOLOGY)________ Nicholas Conard, more than 35,000 years ago, our ancestors, living in present-day southwestern Germany, were playing sophisticated music. (2)In June he announced that he and his colleagues had dug up an ancient bone flute in Hohle Fels. (3)"The five-holed instrument – carved from the bone of a griffon vulture – might be capable of expressing greater harmonic (VARY)________ than the modern-day flute", says Nikolai Tarasov, a recorder specialist.

(4)Conard's group discovered fragments of three ivory flutes in their 2008 digs. (5)(PREVIOUS)________ four other bone and ivory flutes had been found in the same area.

(6)Collectively, these are regarded as the oldest known (MUSIC)________ instruments.