interval
E minor seventh
ElowerDupperm710 half steps
Ten half steps. The interval that sits on top of a dominant seventh chord.
On the keyboard
What is true of it
E up a minor seventh is D: 10 half steps, and 7 letters counting both ends.
Turn it upside down — put the E 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 E
E → Fminor second · dissonanceE → F♯major second · dissonanceE → Gminor third · imperfect consonanceE → G♯major third · imperfect consonanceE → Aperfect fourth · perfect consonanceE → A♯augmented fourth · dissonanceE → B♭diminished fifth · dissonanceE → Bperfect fifth · perfect consonanceE → Cminor sixth · imperfect consonanceE → C♯major sixth · imperfect consonanceE → D♯major seventh · dissonance