B♭ 7♭5 Chord

B♭ 7♭5 is built from the notes B♭, D, E, A♭. The interval from B♭ to D is a major 3rd (4 semitones), from B♭ to E is a tritone (6 semitones), from B♭ to A♭ is a minor 7th (10 semitones). This chord contains 2 flatted notes.