Some music exersices described in lilypond language http://lilypond.org
http://lilypond.org/website/manuals.html
http://lilypond.org/doc/v2.18/Documentation/learning/simple-notation http://lilypond.org/doc/v2.18/Documentation/notation/
MILAN DVOŘÁK: COMPLETE JAZZ PIANO ETUDES https://toccataclassics.com/product/milan-dvorak-jazz-piano-etudes/