pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6590-Ceilidh_Umbrella.ps) >>/Users/jc/w/tmp/Tune-6590-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/by/Muriel_Johnstone/strathspey/Ceilidh_Umbrella.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_65901.log 47 Log file, useful mostly for debugging
Coll_65908.log 254919 Log file, useful mostly for debugging
Form_65902.log 862 Log file, useful mostly for debugging
Tune-6590-Ceilidh_Umbrella.abc 404 ABC music file with the extracted tune(s)
Tune-6590-Ceilidh_Umbrella.ps 39358 PostScript
Tune-6590-Ceilidh_Umbrella.txt 404 Plain-text file with the extracted tune(s)
Tune-6590-get.log 9141 Log file, useful mostly for debugging
Tune-65900-get.log 13365 Log file, useful mostly for debugging
Tune-65906-get.log 5567 Log file, useful mostly for debugging
These files should be available for 24 hours.