\version "2.18.0"
\include "
english.ly"
myChordExceptions = {
% Half-diminished
<c eflat gflat bflat>1-\markup { m7b5 }
% If you want to fiddle with formatting of the symbols, here is one approach
%<c eflat gflat bflat>1-\markup { \raise #0.2 { \magnify #0.2 { " " } \small { m } } \raise #0.3 { \normalsize 7 } \raise #0.6 { \small b5 } }
}
chExceptions = #(append (sequential-music-to-chord-exceptions myChordExceptions #t) ignatzekExceptions)
myChordSequence = \chordmode {
\set chordChanges = ##t
\set chordNameExceptions = #chExceptions
b1:m7.5-
}
myMelody = \relative c'' {
r4 f8 d b a4.
}
\score {
\new StaffGroup <<
\new ChordNames \myChordSequence
\new Staff {
\myMelody
}
>>
}
HTH,
David Elaine Alt