2.20 から 2.22 での新機能

正確に

\language "català"
\relative { do'4 sol' miqb re do1 }

\relative {
  \key d \minor
  d''4 cis8 b? cis2
  \set suggestAccidentals = ##t
  d4 cis8 b? cis2
  \set suggestAccidentals = #'cautionary
  d4 cis8 b? cis2

}

\new Staff \with {
  \consists Ambitus_engraver
} \relative {
  \ambitusAfter key-signature
  \key d \major
  es'8 g bes cis d2
}

{
  c'1\veryshortfermata
  c'2\henzeshortfermata c'\henzelongfermata
}

{
  R1\fermata
  R->
  R\coda
}

\include "swing.ly"
<<
  \new Staff \with {
    instrumentName = "ordinary"
  } \repeat unfold 8 c'8
  \new Staff \with {
    instrumentName = "with swing"
  } \repeat unfold 4 \tripletFeel 8 { c'8 c' }
  \new Staff \with {
    instrumentName = "triplets"
  } \tuplet 3/2 4 \repeat unfold 12 c'8
>>

\chordmode {
  \dropNote 2 {
    c2:maj7 d:m7
  }
  \invertChords 1 d1:maj7
}

chord-names-alternative.ly
{
  \set fingeringOrientations = #'(up)
  <e'-1 d''-4 e''-5>4 <a'-1 b'-2 fis''-5>
  \set fingeringOrientations = #'(down)
  <e'-1 d''-4 e''-5> <eis'-1 e''-4 fis''-5>
  \bar "."
  \override Fingering.X-align-on-main-noteheads = ##t
  \set fingeringOrientations = #'(up)
  <e'-1 d''-4 e''-5> <a'-1 b'-2 fis''-5>
  \set fingeringOrientations = #'(down)
  <e'-1 d''-4 e''-5> <eis'-1 e''-4 fis''-5>
}

{
  \omit Staff.TimeSignature
  \key ces \major s1 \key c \major s
}

#(ly:set-option 'debug-skylines #t)
{
  b'1^\markup \scale #'(2 . 1)
              \rotate #30
              \override #'(corner-radius . 3)
              \rounded-box \center-column { box skyline }
}

{
  c''2\slashturn c''\haydnturn
}

\markup
  \center-column {
    "C"
    "(left-handed)"
     \override #`(fret-diagram-details . ((handedness . ,LEFT)))
     \fret-diagram "6-x;5-3-3;4-2-2;3-o;2-1;1-o;"
  }