--- midi_dl_build2.sh.0	2018-02-20 15:12:51.000000000 +0900
+++ midi_dl_build2.sh	2019-05-28 20:00:00.000000000 +0900
@@ -150,7 +150,7 @@
 
 # ptmsk-14.mp3
 if [ ! -e ptmsk-14.mp3 ]; then
- sh ptmsk-14.sh
+ bash ptmsk-14.sh
  rm -rf tmp_ptmsk
 fi