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November 18, 2018 10:06
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Helpers for sonic-pi
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| # riff(:c4, '5313555 333 555 ') | |
| def riff(tonic, melody) | |
| t = note(tonic) - 1 | |
| ring(*(melody.split('').map {|c| n = c.to_i; n.zero? ? :r : note(t + n)})) | |
| end |
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