pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-79820-song.ps) >>/Users/jc/w/tmp/Tune-79820-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Ireland/song.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_79820.log 578495 Log file, useful mostly for debugging
Tune-79820-get.log 26538 Log file, useful mostly for debugging
Tune-79820-song.abc 58477 ABC music file with the extracted tune(s)
Tune-79820-song.ps 301768 PostScript
Tune-79820-song.txt 58477 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.