the complete ear-training and music theory app for schools, teachers, and musicians

helping you become a better guitar player with simple, easy to follow guitar tutorials and reviews.

learn music theory

teach ear training & music theory online

the only science-based ear training method, it works no matter your current level ✔️ an ear training method that works for you also when every other method didn't work ✔️ you won't waste time with useless exercises anymore ✔️ verified by thousands of our students from all over the world

from guitar strings to drumheads, woodwind reeds to orchestral strings, find everything you need to enhance your sound on daddario.com. shop now >

web site dedicated to the study of music theory. articles, reference, interactive exercises.

learn music theory with sonid. an ios and android app with which you can practice intervals, chords, scales, progressions and keys step by step.