Analysis brackets above the staff
Simple horizontal analysis brackets are added below the staff by default. The following example shows a way to place them above the staff instead.
\version "2.24.0"
\layout {
\context {
\Voice
\consists "Horizontal_bracket_engraver"
}
}
\relative c'' {
\once \override HorizontalBracket.direction = #UP
c2\startGroup
d2\stopGroup
}