interval
E♭ minor seventh
E♭lowerD♭upperm710 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♭ → F♭minor second · dissonanceE♭ → Fmajor second · dissonanceE♭ → G♭minor third · imperfect consonanceE♭ → Gmajor third · imperfect consonanceE♭ → A♭perfect fourth · perfect consonanceE♭ → Aaugmented fourth · dissonanceE♭ → B♭♭diminished fifth · dissonanceE♭ → B♭perfect fifth · perfect consonanceE♭ → C♭minor sixth · imperfect consonanceE♭ → Cmajor sixth · imperfect consonanceE♭ → Dmajor seventh · dissonance