Creating a “tacet al fine” rest
…put a single multi-measure rest with a “tacet al fine” marking, which suppresses/replaces all music changes (time … …a given measure and simply append a “tacet al fine” measure.
…override MultiMeasureRestText.padding = #1 R1^\markup \bold "Tacet al fine" \bar "|." } tuba = { \clef bass c,,4-. r r2 …