pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-574-CAROLAN.ps) >>/Users/jc/w/tmp/Tune-574-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/EdWosika/Carolan/CAROLAN.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
Form_57420.log 923 Log file, useful mostly for debugging
Form_57432.log 965 Log file, useful mostly for debugging
Form_57442.log 963 Log file, useful mostly for debugging
Form_57492.log 912 Log file, useful mostly for debugging
Tune-574-CAROLAN.abc 411 ABC music file with the extracted tune(s)
Tune-574-CAROLAN.ps 35543 PostScript
Tune-574-CAROLAN.txt 411 Plain-text file with the extracted tune(s)
Tune-574-get.log 9834 Log file, useful mostly for debugging
Tune-574-hnj1.ps 0 PostScript
Tune-57448-get.log 4420 Log file, useful mostly for debugging
Tune-5745-get.log 3301 Log file, useful mostly for debugging
Tune-57498-get.log 3534 Log file, useful mostly for debugging
These files should be available for 24 hours.