pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7145-20661_GIUSTO_CIEL.ps) >>/Users/jc/w/tmp/Tune-7145-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MoF/20661_GIUSTO_CIEL.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_71454.log 807 Log file, useful mostly for debugging
Tune-7145-20661_GIUSTO_CIEL.abc 1302 ABC music file with the extracted tune(s)
Tune-7145-20661_GIUSTO_CIEL.ps 47719 PostScript
Tune-7145-20661_GIUSTO_CIEL.txt 1302 Plain-text file with the extracted tune(s)
Tune-7145-get.log 5070 Log file, useful mostly for debugging
These files should be available for 24 hours.