pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4754-301-whiskey-set.ps) >>/Users/jc/w/tmp/Tune-4754-get.log 2>&1" returned status 256
http://eltjo.org/speelboek/301-whiskey-set.abc

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_47542.log 261219 Log file, useful mostly for debugging
Form_47549.log 757 Log file, useful mostly for debugging
Tune-4754-301-whiskey-set.abc 424 ABC music file with the extracted tune(s)
Tune-4754-301-whiskey-set.ps 36161 PostScript
Tune-4754-301-whiskey-set.txt 424 Plain-text file with the extracted tune(s)
Tune-4754-get.log 4254 Log file, useful mostly for debugging
These files should be available for 24 hours.