#(tuplet-number::append-note-wrapper
(tuplet-number::non-default-tuplet-fraction-text 12 7) "8")
\tuplet 3/2 { c4. c4. c4. c4. }
-
\once \override TupletNumber.text =
#(tuplet-number::append-note-wrapper
tuplet-number::calc-denominator-text "4")
#(tuplet-number::append-note-wrapper
tuplet-number::calc-fraction-text "4")
\tuplet 3/2 { c8 c8 c8 c8 c8 c8 }
-
\once \override TupletNumber.text =
#(tuplet-number::fraction-with-notes "4." "8")
\tuplet 3/2 { c4. c4. c4. c4. }