For years I made the error of learning music theory without enough ear training. You have to hear and feel the theory, it's not only intellectual. Then I found 2 exercises are all I needed for playing and composing music by ear: - Functional intervals / scale degrees: https://tonesavvy.com/music-practice-exercise/220/functional... . If you start tone deaf like me checked "Fixed Key", learn all the intervals, then res…
Tonesavvy looks like an ugly clone of https://tonedear.com/ear-training/intervals
On the page you linked