pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5505-Paddy_Brown-Gm-16-4.ps) >>/Users/jc/w/tmp/Tune-5505-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/jig/Paddy_Brown-Gm-16-4.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_55053.log 390765 Log file, useful mostly for debugging
Tune-5505-Paddy_Brown-Gm-16-4.abc 498 ABC music file with the extracted tune(s)
Tune-5505-Paddy_Brown-Gm-16-4.ps 34344 PostScript
Tune-5505-Paddy_Brown-Gm-16-4.txt 498 Plain-text file with the extracted tune(s)
Tune-5505-get.log 4654 Log file, useful mostly for debugging
Tune-55051-get.log 8267 Log file, useful mostly for debugging
Tune-55058-get.log 3963 Log file, useful mostly for debugging
Tune-55059-get.log 1289 Log file, useful mostly for debugging
These files should be available for 24 hours.