pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-93308-Irish1.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-93308-Irish1.ps 2>>/Users/jc/w/tmp/Tune-93308-get.log" returned status 256.
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-93308-Irish1.ps) >>/Users/jc/w/tmp/Tune-93308-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/abc/Irish1.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_93308.log 264789 Log file, useful mostly for debugging
Tune-93308-Irish1.abc 0 ABC music file with the extracted tune(s)
Tune-93308-get.log 0 Log file, useful mostly for debugging
These files should be available for 24 hours.