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Re:Dot matrix printer playing “Eye of the Tiger” [video] by krick on Sunday March 29, 2015 @08:53PM (#9287133)
I have seen a lot of stuff like this already, but never saw any source code.
Re:Dot matrix printer playing “Eye of the Tiger” [video] by tlarkworthy on Sunday March 29, 2015 @08:58PM (#9287144)
The music MIDI-to-CNC converter is open:-

http://hackaday.com/2013/04/21/3d-printing-some-sweet-music/

I have tested it, it works! https://www.youtube.com/watch?v=o7Zben7GJcA

Re:Dot matrix printer playing “Eye of the Tiger” [video] by TheLoneWolfling on Sunday March 29, 2015 @10:12PM (#9287308)
Now try to get recognizable speech. Now that would be creepy.

(Unfortunately, I don't think it's possible without "deeper" control.)

Re:Dot matrix printer playing “Eye of the Tiger” [video] by Jefenry on Monday March 30, 2015 @08:26AM (#9289000)
I use a CNC plasma cutter at work and I wrote some G-Code to make it play Carol of the Bells.

Here's an article I wrote about it: http://jefenry.com/main/CNCMusic.php