pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-83664-PaddyOnTheTurnpike_D3.ps) >>/Users/jc/w/tmp/Tune-83664-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Vintage/reel/PaddyOnTheTurnpike_D3.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_83664.log 260559 Log file, useful mostly for debugging
Tune-83664-PaddyOnTheTurnpike_D3.abc 564 ABC music file with the extracted tune(s)
Tune-83664-PaddyOnTheTurnpike_D3.ps 35247 PostScript
Tune-83664-PaddyOnTheTurnpike_D3.txt 564 Plain-text file with the extracted tune(s)
Tune-83664-get.log 4299 Log file, useful mostly for debugging
These files should be available for 24 hours.