Violin Duet Violin - Digital Download SKU: A0.855579 Composed by Heinrich Ernst Kayser. Arranged by Takahiro Sakuma. Contemporary. 10 pages. Takahiro Sakuma #6632477. Published by Takahiro Sakuma (A0.855579). This is violin duo version. Kayser's original etudes are for solo violin, but I added other violin part of an accompaniment. First part is original and second the accompaniment. You can use at the petit recital or at the end of lesson with your teacher or friends. I hope you enjoy them!