Many, many, MANY moons ago I used to be the administrator of MidiWorld.
Les Winters, the originator, handed it over to me when he became very ill, we...
Pickup bar translates to pickup measure, i.e. an anacrusis.
So, Anvil has a command that allows a measure with just a few notes, not the full measure...
For transcribing complex classical pieces, to be honest, I've found the only solution is proper notation software the likes of MuseScore, Sibelius, Fi...
Again, 7-bit resolution is simply what was specified by MIDI 1.0 standard - better ADCs aren't really that much expensive, in fact Montage/MODX comes ...