20 Little Studies for Piano Op.91 - Volume 1 is the first volume of a series of two, written by Moritz Moszkowski. The volume 1 of this Opus 91 contains the 10 first studies with increasing difficulties for piano, and was first published in 1913. Starting with a G Major study, the key then changes for each of the following ones. Advanced beginners and intermediate players will find this studies very useful to develop their techniques. Moritz Moskowski (1854-1925) was a German pianist, composer and mathematician. He was popular in the nineteenth century and composed more than two hundreds pieces for piano, suites and opera. His famous pieces are Serenade, Op. 15, Études de Virtuosité, Op. 72 and Boabdil der letzte Maurenkönig, Op. 49.