Ševčík: Changes of Position & Prep Scale Studies Op 8 Violinevcks uvre covers every area of violin technique, from the elementary level to special exercises on individual technical problems all the way to analytical studies of the best known violin concertos. One of his most important pedagogical works is his opus 8, written between 1892 and 1895. This volume of exercises is devoted to changes of position and preparatory studies for scales over three octaves (in 3rds, 6ths, octaves and 10ths). Our new edition