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.
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: f |
Major third: z | Minor sixth: x | Perfect octave: c | Major decim: v |