pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4178-Glasgow_Ceilidh_Club_Bm.ps) >>/Users/jc/w/tmp/Tune-4178-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/jig/Glasgow_Ceilidh_Club_Bm.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-4178-Glasgow_Ceilidh_Club_Bm.abc 415 ABC music file with the extracted tune(s)
Tune-4178-Glasgow_Ceilidh_Club_Bm.ps 34872 PostScript
Tune-4178-Glasgow_Ceilidh_Club_Bm.txt 415 Plain-text file with the extracted tune(s)
Tune-4178-get.log 4947 Log file, useful mostly for debugging
Tune-41788-get.log 356209 Log file, useful mostly for debugging
Tune-41789-get.log 192162 Log file, useful mostly for debugging
These files should be available for 24 hours.