pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-10393-quebec.ps) >>/Users/jc/w/tmp/Tune-10393-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/quebec.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_10393.log 683670 Log file, useful mostly for debugging
Tune-10393-get.log 4309 Log file, useful mostly for debugging
Tune-10393-quebec.abc 400 ABC music file with the extracted tune(s)
Tune-10393-quebec.ps 40051 PostScript
Tune-10393-quebec.txt 400 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.