Fig. 1 · G to F

interval

G minor seventh

GlowerFupperm710 half steps

Ten half steps. The interval that sits on top of a dominant seventh chord.

On the keyboard

GF
Fig. 2

What is true of it

G up a minor seventh is F: 10 half steps, and 7 letters counting both ends.

Turn it upside down — put the G on top — and it becomes a major second. The two numbers always add to nine, and the two sizes to twelve.

It is a dissonance.

Every interval on G

G → A♭minor second · dissonanceG → Amajor second · dissonanceG → B♭minor third · imperfect consonanceG → Bmajor third · imperfect consonanceG → Cperfect fourth · perfect consonanceG → C♯augmented fourth · dissonanceG → D♭diminished fifth · dissonanceG → Dperfect fifth · perfect consonanceG → E♭minor sixth · imperfect consonanceG → Emajor sixth · imperfect consonanceG → F♯major seventh · dissonance

C m7C♯ m7D♭ m7D m7D♯ m7E♭ m7E m7F m7all 204