+## 1st: apply patch below, fix up any merge-conflicts and git commit the result.
+## 2nd run (after commiting the new version): re-create the patch to upstream & amend:
+# git diff -R libs/fluidsynth/ > tools/fluid-patches/ardour_fluidsynth.diff
+#exit
+patch -p1 < tools/fluid-patches/ardour_fluidsynth.diff
+
+# auto-generated files
+cp tools/fluid-patches/fluid_conv_tables.c libs/fluidsynth/src/
+cp tools/fluid-patches/fluid_rvoice_dsp_tables.c libs/fluidsynth/src/