The files in these folders have ornaments. They were formed from those here by:

• inserting corresponding the content of xN files (such as “x2-Allemande”) into this program as the value for identifier “mods”.
• Compiling it with r.c and w.c
• Copying an unmodified MIDI file to a file named pr.mid
• Running the yield of the compilation
• Renaming the resulting file, out.midi, as desired

I have not found unambiguous definitions for ornaments. There are a great many arbitrary decisions in these files. (I have relied mainly on these notes and partly on these. Many notes too) Bach’s use of ornament notation is a bit erratic. I have used 32nd auxiliary notes consistently even though pieces such as the Sarabande of Suite-III spell out 64th notes. I have chosen between the artifice “tr” and “trillo” somewhat capriciously. They are small routines which act as follows:

tr

replaces the note from the input file with an sequence of alternating 32nd notes with the same total duration.

trillo

replaces the original note with five 32nd notes and a 6th with duration to make the total match the original.

The diatonic scale in the neighborhood of an ornament is not always obvious. I have tried to choose prior mode for the auxiliary note.