This is another volume of lively and entertaining original duets encouraging the development of good Violin technique. Written in idioms ranging from the wistful folk music of Eastern Europe to jazz More Polytekniks presents a variety of more advanced technical challenges from vibrato spiccato extended position work tremolo bowing and double-stopping to intricate rhythms ornaments and metrical changes.More Polytekniks will be an enjoyable exercise in lessons for teacher and pupil or by two friends at different stages of development.