pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17975-hnj1.ps) >>/Users/jc/w/tmp/Tune-17975-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/hnj1.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
Tune-17975-get.log 3993 Log file, useful mostly for debugging
Tune-17975-hnj1.abc 214 ABC music file with the extracted tune(s)
Tune-17975-hnj1.ps 34835 PostScript
Tune-17975-hnj1.txt 214 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.