Tool
The harmonic field of F♯ major 6 sharps 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 F♯4. 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.