Ninety bpm in milliseconds.
| Musical note name | Duration in milliseconds |
|---|---|
| octuple note (8) | 21332 |
| quadruple note (4) | 10666 |
| breve (2) | 5333 |
| semibreve (1) | 2666 |
| minim (½) | 1333.333 |
| crochet (¼) | 666.667 |
| quaver (⅛) | 333.333 |
| semiquaver (¹⁄₁₆) | 166.667 |
| demisemiquaver (¹⁄₃₂) | 83.333 |
| hemidemisemiquaver (¹⁄₆₄) | 41.667 |
| semihemidemisemiquaver (¹⁄₁₂₈) | 20.8335 |
| demisemihemidemisemiquaver (¹⁄₂₅₆) | 10.41675 |