pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-50308-CrawfordsR.ps) >>/Users/jc/w/tmp/Tune-50308-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Ireland/reel/CrawfordsR.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_50308.log 281436 Log file, useful mostly for debugging
Tune-50308-CrawfordsR.abc 509 ABC music file with the extracted tune(s)
Tune-50308-CrawfordsR.ps 34460 PostScript
Tune-50308-CrawfordsR.txt 509 Plain-text file with the extracted tune(s)
Tune-50308-get.log 4379 Log file, useful mostly for debugging
These files should be available for 24 hours.