Fine-tuning manual beaming

By setting the #'beaming property, it is possible to override beaming rules. You may preferably want to use \once when doing so, as this property cannot be shared between objects.

\version "2.24"

%% http://lsr.di.unimi.it/LSR/Item?id=240


\relative c'' {
  c32[ c
  \once \override Stem.beaming = #(cons (list 1 2) (list 0 2 4))
  c
  \once \override Stem.beaming = #(cons (list 0 2 4) (list 0 1 4))
  c c c]
}