31c1a8f5-30da-4e7c-bfe1-b4c4bc9dccd3 124 B

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  1. id: 31c1a8f5-30da-4e7c-bfe1-b4c4bc9dccd3
  2. url: http://www.instructables.com/id/Electronic-Drum-Set-with-Controller/?ALLSTEPS