Fix MIDI in Google Colab Notebooks (v8) #1281
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Jupyter Notebook comes with the require.js script for loading other modules already included. Google Colab does not. Showing MIDI in the notebook needs to have require.js around. Google Colab runs each cell in its own WebWorker; thus the loading of require.js and music21j must happen in each cell -- no global variables. Since Google Colab is still running Python 3.7 (and selecting another core is a PAIN!) and music21 v8 will be 3.8+ only, this functionality is being backported to v7 and a 7.3.2 version will be released.
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Jupyter Notebook comes with the require.js script for loading other modules already included. Google Colab does not. Showing MIDI in the notebook needs to have require.js around. Google Colab runs each cell in its own WebWorker; thus the loading of require.js and music21j must happen in each cell -- no global variables.