pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-55468-Pibroch_of_Domhnall_Dubh.ps) >>/Users/jc/w/tmp/Tune-55468-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/thisoldtractor.com/Pibroch_of_Domhnall_Dubh.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
Tune-55468-Pibroch_of_Domhnall_Dubh.abc 1028 ABC music file with the extracted tune(s)
Tune-55468-Pibroch_of_Domhnall_Dubh.ps 45115 PostScript
Tune-55468-Pibroch_of_Domhnall_Dubh.txt 1028 Plain-text file with the extracted tune(s)
Tune-55468-get.log 4802 Log file, useful mostly for debugging
These files should be available for 24 hours.