30 years is long enough.
It is time that the MIDI standards committee took a long and hard look at how things have changed in the 30 years since MIDI's inception.
The vast increase in what is being asked to squeeze down a single serial communication protocol demands that things like baud rates and word length change to match modern communication standards. It is time for MIDI 2.0 to become a reality, and backwards compatibility be a strong part of the standard.
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An arranger is just a tool. What matters is what you build with it..!