pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-43511-13322-LORD_CATHCARTS_WELCOME_TO_SCOTLAND.ps) >>/Users/jc/w/tmp/Tune-43511-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Button_Whitaker/SelectionOfDancesReelsAndWaltzes/13322-LORD_CATHCARTS_WELCOME_TO_SCOTLAND.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-43511-13322-LORD_CATHCARTS_WELCOME_TO_SCOTLAND.abc 1566 ABC music file with the extracted tune(s)
Tune-43511-13322-LORD_CATHCARTS_WELCOME_TO_SCOTLAND.ps 41639 PostScript
Tune-43511-13322-LORD_CATHCARTS_WELCOME_TO_SCOTLAND.txt 1566 Plain-text file with the extracted tune(s)
Tune-43511-get.log 6278 Log file, useful mostly for debugging
These files should be available for 24 hours.