basicmusictheory.com: A music theory reference site
Meta Description
Music theory for notes, intervals, scales, modes, chords, circle of 5ths, with midi and mp3 audio, piano, treble and bass clef diagrams in all keys
Meta Keywords
music theory,notes,intervals,modes,scales,triad chords,seventh chords,major,minor,harmonic,melodic,pentatonic,blues,circle of 5ths,piano,clef,bass,treble