Buy music › Ian Balfour: Impromptu for Flute and Viola [download] Image 1 of 2 Image 2 of 2 Ian Balfour: Impromptu for Flute and Viola [download] £7.75 Handwritten score (16pp) scanned to PDF for immediate download. Add To Cart Added! Handwritten score (16pp) scanned to PDF for immediate download. Piece for flute and viola composed in 1984. Duration: 7'30". You might also like W B Moonie: The Five Fingers [download] £11.75 Janet Beat: Seascape with Clouds [download] £6.75 W B Moonie: Arabesque [download] £5.25 Pete Stollery: from aberdeen to hamlets in the argentine ... [download] £3.75 Michael Bonaventure: Sith [download] £4.75