Online Learning Library: Strings

The ACO Online Learning Library is tailored for students of all ages eager to expand their proficiency in string instruments and musical performance. Whether you’re venturing into playing an instrument for the first time or honing your skills, this page provides a wealth of resources. Continuously refreshed with fresh materials, it stands as an indispensable hub of knowledge. We welcome your feedback and inquiries about specific topics at

Beginner’s Equipment Checklist
Which Violin Should I Use?
How to Play Twinkle Twinkle
Duet 1: Doflein No.15 “The Cobbler”
Duet 2: Doflein No. 14 “May Song”
Duet 3: Doflein No. 27 “The Play Song”
How to Play in Tune
How to Use the Bow
All About Scales
How to Get Creative