pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-62075-627-CaptainOKane.ps) >>/Users/jc/w/tmp/Tune-62075-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/sosyourmom.com/onoc/ABC/627-CaptainOKane.txt

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_62075.log 1531 Log file, useful mostly for debugging
Tune-62075-627-CaptainOKane.abc 724 ABC music file with the extracted tune(s)
Tune-62075-627-CaptainOKane.ps 38624 PostScript
Tune-62075-627-CaptainOKane.txt 724 Plain-text file with the extracted tune(s)
Tune-62075-get.log 4553 Log file, useful mostly for debugging
These files should be available for 24 hours.