Fig. 1 · G to B

interval

G major third

GlowerBupperM34 half steps

Four half steps. The interval that makes a triad major.

On the keyboard

Fig. 2

What is true of it

G up a major third is B: 4 half steps, and 3 letters counting both ends.

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

It is a imperfect consonance.

Every interval on G

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

C M3 C♯ M3 D♭ M3 D M3 D♯ M3 E♭ M3 E M3 F M3 all 204