A note block is a musical object that emits sounds when powered with Scarlet Rock.


Note blocks are most quickly broken with a hatchet.


Crafting a Note Block requires eight Wood Beams and one scarlet rock.


Playing Music

Note blocks play a colorful musical note when hit or when powered by Scarlet Rock. A note block must have at least one meter of air above it to play a sound. Notes can be heard up to 48 meters away.

Note blocks will play when next to a powered object. Each time a note block plays a note, a note particle will fly out of the top, with the color depending on the pitch (but not the instrument).

Right clicking the block increases the note pitch up a semitone, with a total of two full octaves (24 semitones) being available to play for each instrument (bass is two octaves (24 semitones) lower than the standard range, giving the player four octaves (48 semitones) of effective range if the player needs to combine instruments for high pitch coverage). The range of notes span from F♯3 to F♯5. After reaching the highest note, right clicking again resets it back to F♯3, as does breaking the block and picking it back up.


The instrument played depends on the material of the object underneath the note block. Note that these are groups of object defined by the code, not just the individual object.

Object Material Instrument
Wood Electric Guitar
Sand or Gravel Snare Drum
Glass Clicks and Sticks
Rock Bass Drum
Any Other Material Baby Grand or Aeolian Harp

Powering Note Blocks

Note blocks can be powered in a variety of different ways following normal scarlet rock principles, however ways of powering note blocks are more convenient than others or produce unexpected results.

  • When a note block is powered by a switch on its side it does play but is always impossible to hear since the sound of the switch activating is so loud.
  • Since note blocks need a space above them, note blocks powered by 1500-Megawatt-Scarlet-Rock-Super-Colliding Super Buttons or scarlet rock directly above them do not make a sound.


Note blocks can be used as a fuel in furnaces, smelting 1.5 items per block.

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