2 % the Gm7sus4/D chord prints as Gm/4/7/D
3 % it took me quite a while by experiment to work out how to enter it -- PC
5 % perhaps the current modifier approach is too simplistic
9 gmsus=\notes\relative c \chords{
11 % Gm7sus4: the hard way
15 \notes< g'1 bes c d f >
29 \context ChordNames \gmsus