| A | B |
|---|
| fourth | distance between four notes |
| seventh | distance between seven notes |
| second | distance between two notes |
| third | distance between three notes |
| melodic interval | interval notes played separately |
| harmonic interval | interval notes played together |
| octave | distance between eight notes |
| sixth | distance between six notes |
| fifth | distance between five notes |
| ottava | play an octave higher |
