pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4715-s.ps) >>/Users/jc/w/tmp/Tune-4715-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/redhawk.org/zouki/s.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
Form_47153.log 840 Log file, useful mostly for debugging
List47154.log 88 Log file, useful mostly for debugging
Tune-4715-get.log 4281 Log file, useful mostly for debugging
Tune-4715-s.abc 278 ABC music file with the extracted tune(s)
Tune-4715-s.ps 34168 PostScript
Tune-4715-s.txt 278 Plain-text file with the extracted tune(s)
Tune-47150-get.log 3259 Log file, useful mostly for debugging
Tune-47152-get.log 9883 Log file, useful mostly for debugging
Tune-47153-get.log 22270 Log file, useful mostly for debugging
Tune-47156-get.log 3378 Log file, useful mostly for debugging
These files should be available for 24 hours.