pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-3398-osbmisc.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-3398-osbmisc.ps 2>>/Users/jc/w/tmp/Tune-3398-get.log" returned status 256.
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3398-osbmisc.ps) >>/Users/jc/w/tmp/Tune-3398-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/osbmisc.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_33981.log 276069 Log file, useful mostly for debugging
Find_33983.log 1604 Log file, useful mostly for debugging
Form_33982.log 881 Log file, useful mostly for debugging
Tune-3398-get.log 0 Log file, useful mostly for debugging
Tune-3398-osbmisc.abc 0 ABC music file with the extracted tune(s)
Tune-3398-osbmisc.txt 0 Plain-text file with the extracted tune(s)
Tune-33984-get.log 3823 Log file, useful mostly for debugging
These files should be available for 24 hours.