Create a Melody from the Digits of Pi
Select the first 100 digits of in base 24.
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digits = First@RealDigits[\[Pi], 24, 100]
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Use them to control the pitch of a sinusoidal oscillator.
In[2]:=

midiToFreq[m_] := 2^((m - 69)/12)*440.
AudioGenerator[{"Sin", TimeSeries[midiToFreq[50 + digits], {0, 10}]}]