Exercises of medium difficulty, Op. 50 is a set of fourteen exercises for intermediate pianists by Isidor Philipp. This volume will help the players to gain in flexibility and dexterity.

It focuses on some special aspects: the independence of each hand, the use of five fingers, the scales and arpeggios, the octaves and the double notes.

Isidor Philipp (1863-1958) was a French pianist and composer who was also a renowned pedagogue. He tried to carry on Chopins methods and philosophy of education.