intervals![click to hear](/images/speaker.jpg)
Difference in pitch between two successive notes (melodic interval) or simultaneous notes (harmonic interval).
octave ![click to hear](/images/speaker.jpg)
Interval of eight tones (e.g., from C to C).
sixth ![click to hear](/images/speaker.jpg)
Interval of six tones (e.g., from C to A).
fourth ![click to hear](/images/speaker.jpg)
Interval of four tones (e.g., from C to F).
second ![click to hear](/images/speaker.jpg)
Interval of two tones (e.g., from C to D).
seventh ![click to hear](/images/speaker.jpg)
Interval of seven tones (e.g., from C to B).
fifth ![click to hear](/images/speaker.jpg)
Interval of five tones (e.g., from C to G).
third ![click to hear](/images/speaker.jpg)
Interval of three tones (e.g., from C to E).
unison ![click to hear](/images/speaker.jpg)
Notes of the same pitch, or one or more octaves apart, produced simultaneously by several voices or instruments.