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Cloning is a feature on OS that lets users create copies of existing instruments. The clones use the same instrument samples as the base instrument, but changing the settings of the clone doesn't affect the base instrument. There's no limit to the number of clones that can be created, however for certain instruments (particularly 8-bit sine, square, triangle, and saw) too many clones can be expensive and make the sequence lag. This feature became first available on the test website on April 23, 2023, and was pushed to the main site on April 28, after many requests since the early 2020s.

The clone and delete buttons in advanced instrument settings.

To clone an instrument, one needs to click the Clone button in advanced instrument settings. To delete a clone, one needs to click the Delete button.


Cloning is one of the most versatile and powerful features on OS, though it doesn't seem that way at first. Here are a few things they can be used for:

  • Chorus effects: By playing the same melody on 2 copies of the instrument, but detuning one of them by 5-10 cents.
  • Stereo effects: By cloning an instrument and panning it differently you can make the stereo sound wider, especially if you delay the clone's notes slightly.
  • Note panning: You can pan individual notes more precisely than is possible with markers.
  • Note detune: By moving some notes to a different clone, and detuning that clone with markers, you can pitch bend specific notes without affecting the rest of the instrument.
  • Better delay: If you want a custom delay effect, you have to copy the entire instrument's notes and paste them with an offset. Without clones this makes a mess. With clones you can keep them organised. Additionally, you can give the clones different settings, such as making the delayed notes muffled with EQ.
  • Precise drum mixing: For best drum mastering results, it's sometimes necessary to EQ some of the drum stems differently. For example, bass boosting the kick drum, while also treble boosting the hihat. By moving some stems to a clone, the clones can be EQ'd separately.
  • Extending instrument ranges: Without cloning you can detune an instrument up or down an octave to change the range of notes you have access too. With cloning you can also detune a clone down by an octave to access lower notes too.
  • Reducing marker usage: Often markers are used to change instrument settings between sections. This could be done using clones instead, which reduces the number of markers, and is much easier to do. Markers only really need to be used for smooth (blended) settings changes.
  • Organisation: Clones can be useful just to organize your sequence. For example, you can lock specific sections by moving sections to clones.
  • Microtonal FFT: