หนังสือสอบสเกลเปียโน Trinity Piano Scales & Arpeggios เกรด Initial - เกรด 8
This book contains all the scales and arpeggios required for Trinity College London Piano exams from 2015 for Initial to Grade 5. TCL012982 / 9780857363442
This book contains all the scales and arpeggios required for Trinity College London Piano exams from 2015 for Grades 6 to 8. TCL012999 / 9780857363459