pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-95993-CeilidhCaper.ps) >>/Users/jc/w/tmp/Tune-95993-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/CeilidhCaper.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-95993-CeilidhCaper.abc 1991 ABC music file with the extracted tune(s)
Tune-95993-CeilidhCaper.ps 50999 PostScript
Tune-95993-CeilidhCaper.txt 1991 Plain-text file with the extracted tune(s)
Tune-95993-get.log 9784 Log file, useful mostly for debugging
These files should be available for 24 hours.