Battanchon 12 Etudes in the Thumb Position Op25 - Solo Cello.The French cellist was principal cellist in the orchestra at the Grand Opera in Paris, Very little research has been carried out into his biographical details, but it is known that he composed around 40 works. By far the majority of his compositions are salon pieces for 1 to 3 cellos, he also wrote several collections of studies. This book is suitable both as an introduction to playing in the thumb position as well as an advanced study