Tool
The harmonic field of F major 1 flat in the key signature. Click a degree to hear it, or hear the whole field.
Triads F I Tonic Diatonic G m ii Subdominant Diatonic A m iii Tonic Diatonic B ♭ IV Subdominant Diatonic C V Dominant Diatonic D m vi Tonic Diatonic E dim vii° Dominant Diatonic
Hear the field Degree Symbol Notes Function I F F · A · C Tonic ii G m G · B♭ · D Subdominant iii A m A · C · E Tonic IV B ♭ B♭ · D · F Subdominant V C C · E · G Dominant vi D m D · F · A Tonic vii° E dim E · G · B♭ Dominant
Seventh chords F maj7 Imaj7 Tonic Diatonic G m7 ii7 Subdominant Diatonic A m7 iii7 Tonic Diatonic B ♭ maj7 IVmaj7 Subdominant Diatonic C 7 V7 Dominant Diatonic D m7 vi7 Tonic Diatonic E m7 ♭5 viiø7 Dominant Diatonic
Hear the field Degree Symbol Notes Function Imaj7 F maj7 F · A · C · E Tonic ii7 G m7 G · B♭ · D · F Subdominant iii7 A m7 A · C · E · G Tonic IVmaj7 B ♭ maj7 B♭ · D · F · A Subdominant V7 C 7 C · E · G · B♭ Dominant vi7 D m7 D · F · A · C Tonic viiø7 E m7 ♭5 E · G · B♭ · D Dominant
The notes are spelled in octave 4, from F4. The function is assigned by degree — tonic on I, III and VI; subdominant on II and IV; dominant on V and VII — which is how the harmonic field is taught. Context can change that reading, and the tool reports the degree.
Related keys D minor Relative: the same key signature, in the other mode. F minor Parallel: the same tonic, in the other mode. F in the dictionary The tonic triad: notes, staff, keyboard and guitar shapes. Read about Diatonic harmony The chords that arise from stacking thirds on each degree of a scale, and why each quality lands where it does. Harmonic function The role each degree plays — tonic, subdominant, or dominant — and the tension that moves one to the next. Roman numeral analysis The notation that describes a chord by the position it occupies in the key rather than by the note it sits on. Minor key harmony The minor harmonic field, which is not one field: the three minor scales produce different chords on the same degree.