chExceptionMusic = {
  %{
  <c e g b d'>1-\markup { \super "maj9" }
  <c e g a d'>1-\markup { \super "6(add9)" }
  <c  g> 1-\markup { \super "/5" }
  <c  a> 1-\markup { \super "/6" }
  <c  bes> 1-\markup { \super "/7" }
  <c g c'> 1-\markup { \super "/5/8" }
  %}
  <c f g> 1-\markup { \super "4" }
  %{
  <c e g d'> 1-\markup { \super "add9" }
  <c es g d'> 1-\markup {m \super "add9" }
  <c e ges d'> 1-\markup { \super "9/5-" }
  <c es ges bes> 1-\markup  { m \super "7/5-" }
  <c e gis bes> 1-\markup  { \super "7/5+" }
  <c es ges> 1-\markup { \super "dim" }
  <c e g bes dis'> 1-\markup { \super "7/9+" }
  <c f g bes > 1-\markup { \super "7/4" }
  <c e ges b > 1-\markup { \super "7/5-" }
%}
}

chExceptions = #( append
                  ( sequential-music-to-chord-exceptions chExceptionMusic #t)
                  ignatzekExceptions)
%                                 end of specific chord names