% LSR: Thanks to Risto V��r�niemi for this snippet { \key a \major \set Score.rehearsalMarkFormatter = #format-mark-box-letters \once \override Score.RehearsalMark.outside-staff-priority = #5000 \once \override Score.RehearsalMark.self-alignment-X = #LEFT \once \override Score.RehearsalMark.break-align-symbols = #'(key-signature) \mark \markup { \bold { Senza denti } } % the hidden measure and bar line % \cadenzaOn turns off automatic calculation of bar numbers \cadenzaOn \once \override Score.TimeSignature.stencil = ##f \time 1/16 s16 \bar "" \cadenzaOff \time 4/4 \once \override Score.RehearsalMark.self-alignment-X = #LEFT \mark \markup { \box \bold Intro } d'1 \mark \default d'1 }