Some of us have felt somewhat nervous about the collapse of DRAM and NAND Flash memory supply in the consumer market, while others seem to have fully embraced it. Someone like [polymatt] for example, ...

This program is based on an ESP-IDF TinyUSB USB MIDI example with minimal changes so it works with arduino-esp32. See https://github.com/espressif/esp-idf/blob/master ...

This will not work with Arduino IDE 1.6.5 (or below) or with non ESP32-S2/S3 devices (e.g. Arduino UNO, Arduino MEGA, etc.). To use this library you need to have Arduino core for the ESP32 installed.