Part I of Volume 3 of the First Piano Book contains 16 simple two part inventions. In these pieces both hands play a single line, the right hand usually taking the main melody while the left plays a simple accompaniment pattern. The music in this set is recommended for those who have studied Volume 2 or who are at the late beginner or early intermediate stage of piano playing. All the music has been recorded and the download includes a 17 page PDF of the sheet music with introductory notes as well as MP3 files for each of the 16 pieces in this set. Click here for more information and to listen to the audio.