From Wikipedia Dave Apollon (February 23, 1898 - May 1972) was a Russian mandolin player. Today Dave Apollon is regarded as one of the most innovative and influential mandolinists of the Twentieth Century, whose more notable recordings/performances include Two Guitars, Hora staccato by GrigoraČ™ Dinicu and Zigeunerweisen aka "Gypsy Airs" by Pablo de Sarasate. His styles include Gypsy and various kinds of European Folk Music. He is also regarded as one of the first jazz mandolinist, with such memorable recordings as Who and St. Louis Blues.