pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-4750-PaddyOnTheTurnpikeReel.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-4750-PaddyOnTheTurnpikeReel.ps 2>>/Users/jc/w/tmp/Tune-4750-get.log" returned status 256.
http://john-chambers.us/~jc/music/book/ryan-cole/Tunes/PaddyOnTheTurnpikeReel.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 ]
filesizedescription
Coll_47503.log 133732 Log file, useful mostly for debugging
Find_4750.log 1424 Log file, useful mostly for debugging
Find_47507.log 1379 Log file, useful mostly for debugging
Tune-4750-PaddyOnTheTurnpikeReel.abc 0 ABC music file with the extracted tune(s)
Tune-4750-get.log 0 Log file, useful mostly for debugging
Tune-47509-get.log 4324 Log file, useful mostly for debugging
These files should be available for 24 hours.