subtonic
61Major chord — major triad Component intervals from root perfect fifth major third root …
62Minor chord — minor triad Component intervals from root perfect fifth minor third root …
63Augmented fifth — Infobox Interval main interval name = augmented fifth inverse = diminished fourth complement = diminished fourth other names = abbreviation = ? semitones = 8 interval class = 4 just interval = 25:16| cents equal temperament = 800 cents just… …
64Augmented sixth chord — The interval of an augmented sixth normally resolves outwards by semitone to an octave.  Play (help·info) …
65Seventh — may refer to:In music:* Diminished seventh, a chromatically reduced minor seventh interval * Major seventh, the larger of two commonly occurring musical intervals that span seven diatonic scale degrees * Minor seventh, the smaller of two commonly …
66Added tone chord — Suspended chord (sus2) and added tone chord (add9) both with D (ninth=second), distinguished by the absence or presence of the third (E♭).[1] …
67Extended chord — Dominant thirteenth extended chord: C E G B♭ D F A   …
68Sixth chord — Sixth chords over C bass:  Play first inversion A minor chord …
69Thirteenth — Compound interval of a major thirteenth from F to D in the next octave up …
70Mystic chord — Component intervals from root major second major sixth major third …
