Bad armor for sousaphone in Bb
With MuseScore 4, sousaphone in Bb uses a bad armor. For example, if trompette is in C (no sharp nor flat), sousaphone in Bb is written in D (2 sharps). Except that, notes are OK.
(I tested with MuseScore 3.6, Sousaphone in Bb is well, so in C)
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