When exporting a SATB file from mscx or mscz to midi, the B line gets transposed 2 tones
1) Open mscx or mscz file, previously exported from a pdf music sheet (attached).
2) Adjust tone of Baritone line (B in score) as the pdf attached, and all lines
3) Export mscx/mscz file to MIDI
4) The baritone section changes keys and gets transposed 2 tones below original.