+# hmm. notdir builds src-dir builds?
+$(outdir)/%.png $(outdir)/%.pdf $(outdir)/%.ly $(outdir)/%.ps: $(outdir)/%.ly
+ cd $(outdir); $(LILYPOND) --pdf --png -danti-alias-factor=2 -ddelete-intermediate-files -dno-point-and-click -I $(shell pwd)/ $(notdir $<)
+ touch $(outdir)/$(basename $(notdir $<)).png