pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-41191-Ceilidh_House_Polka_2_2.ps) >>/Users/jc/w/tmp/Tune-41191-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/kirby98.fsnet.co.uk/ce/Ceilidh_House_Polka_2_2.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_41191.log 259149 Log file, useful mostly for debugging
Tune-41191-Ceilidh_House_Polka_2_2.abc 323 ABC music file with the extracted tune(s)
Tune-41191-Ceilidh_House_Polka_2_2.ps 34333 PostScript
Tune-41191-Ceilidh_House_Polka_2_2.txt 323 Plain-text file with the extracted tune(s)
Tune-41191-get.log 4804 Log file, useful mostly for debugging
These files should be available for 24 hours.