oldException = { <c e g b fis'>-\markup \super "lyd" }
chExceptions = #(append (sequential-music-to-chord-exceptions
oldException #t)
ignatzekExceptions)
music = { <c e g d'>1 | <c es g f'> | <c e g b fis'> }
\new StaffGroup \with { instrumentName = "old:" }
<<
\new ChordNames \with {
chordNameExceptions = #chExceptions
additionalPitchPrefix = ""
} \music
\new Voice \transpose c c' \music
>>
\new StaffGroup \with { instrumentName = "new:" }
<<
\new ChordNames \music
\new Voice \transpose c c' \music
>>
\layout {
indent = 1\cm
line-width = 9\cm
ragged-right = ##f
}