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So you forgot chord 3 of G Major, AGAIN ?

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Most closely related keys for composition

Note Names & Chord Functions

Key Signatures

Enharmonic key relationships (same sound/frequency, different note names)

Note Names and numbers

Scale Degrees

Staff positions across 3 octaves of the Bass and Treble clef

Note Names, Numbers & Piano Key Positions

For major keys, Mode associated with each scale degree eg. 1/Ionian

For minor keys, the natural, harmonic and melodic minor note names

Chord Notes for Triads, 7ths, 9th, 11th and 13th chords

Scale Chords

Chord functions using roman numerals eg I, ii, III to identify the chord's purpose

Formulas for chord motion between Scale Chords

Triad Chord Notes for each step

Example Chord Progressions

Works both Online and Offline

Easy access to any Circle of 5ths key from side menu

Colored buttons navigate to the nearest keys

Navigate left to 4th scale degree, right to 5th, both major and minor

Navigate down to relative minor, up to relative major

Swipe to view Key, Staff, Scale, Chord and Progression cards in current Key

All 5 cards described in detail

Music Theory concepts linking the cards

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