\relative c'' <<
\override Score.SpacingSpanner #'strict-note-spacing = ##t
\set Score.proportionalNotationDuration = #(ly:make-moment 1 16)
\relative c'' <<
\override Score.SpacingSpanner #'strict-note-spacing = ##t
\set Score.proportionalNotationDuration = #(ly:make-moment 1 16)