2022-01-22 (Sa) EWC_Panel noteOn() working through button presses

I was ready to start music notes which will be another venue for troubleshooting since I can listen for mistakes. The first thing to worry about was turning off the previously played note, so I don't have any that "hang." I added a framework to stop previous messages if a chord is playing. Next, I fleshed out the skeleton by accounting for the channel, modifier from the array, octave, and the current melody. I eliminated all the print statements I was using to debug, so I could start transmitting in MIDI with the only serial port. My output was nonsensical. To test, I made my commands print() instead of write(), so they would be closer to human-readable, and used the prandomize button to send a single note to test if things were functioning. I disabled the part that retransmitted all incoming signals to clean up the outcoming data further. Referencing the melodies[][] array always yielded wild data. I made some headway when I changed the prandomize button to advance the song, and each press played the following note.
Looping manually

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