BendAfter supports microtonal bends
\bendAfter can be used to create falls and doits. It can also be used with non-integer arguments to create microtonal bends.
\version "2.24.0"
%% http://lsr.di.unimi.it/LSR/Item?id=671
\relative c'' {
c2-\bendAfter #+5
c-\bendAfter #+1
c-\bendAfter #-1
c-\bendAfter #-5
c-\bendAfter #3.5
c-\bendAfter #0.5
c-\bendAfter #-0.5
c-\bendAfter #-3.5
}