Explore music theory
Understand how music works - chord and scale libraries, the circle of fifths, progressions, key signatures and terms.
- Chord LibraryOpen
- Scale LibraryOpen
- Scale Finder
Visualize scales on piano keyboard and guitar fretboard.
Open - ProgressionsOpen
- Circle of Fifths
Visualize musical keys and relationships with the eMusic Tools circle of fifths.
Open - Interval Songs
Famous songs that help you memorize every interval.
Open - Musical Terms
Searchable dictionary of Italian musical terms with meanings.
Open - Chords in Every KeyOpen