Harmonic interval

This exercise is one of the exercises you can use to practise intervals. The concept is pretty simple: You press the New interval button to play a random interval, and then you should tell what interval it was.

Key bindings

Minor
second: 1
Perfect
fourth: 2
Major
sixth: 3
Minor
ninth: 4
Major
second: q
Diminished
fifth: w
Minor
seventh: e
Major
ninth: r
Minor
third: a
Perfect
fifth: s
Major
seventh: d
Minor
decim:
Major
third: z
Minor
sixth: x
Perfect
octave: c
Major
decim: v