Indicating the duration of a feathered beam
This is an easy way to indicate the duration of a set of beamed notes (especially those joined by a feathered beam) using a tuplet.
\version "2.24.0"
%% http://lsr.di.unimi.it/LSR/Item?id=797
%% modified for v2.18 by P.P.Schneider (Feb. 2014)
\relative c' {
\once \override Beam.grow-direction = #RIGHT
\once \override TupletBracket.bracket-visibility = ##t
%% set note #UP or DOWN
\once \override TupletNumber.text = \markup \note-by-number #2 #0 #UP
%% set TupletNumer Y alignment
\once \override TupletNumber.Y-offset = #3.2
\tuplet 1/1 {
c32[ c c c c c c c c c c c]
}
}