>
> Remove the Metronome_mark_engraver from \Score and add it to the Staff
> or StaffGroup where you want to see the marks.
Please note that moving "Mark_engraver" or "Metronome_mark_engraver"
to a StaffGroup (or alike: GrandStaff, ChoirStaff, etc.) context does
not work as expected. See issue #2199.
Cheers,
Xavier
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