What is a Laser Harp?

What is a Laser Harp?

A laser harp is an electronic musical user instrument.
Several laser beams come from the machine on the ground, and a musician plays by touching them. Each beam is a note in the musical scale.
The machine recognises the touched beam and sends a MIDI note command to a slave instrument or a computer.
There are different technologies for recognizing the beam that has been touched. We'll see this next.

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