pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8375-TelephoneHornpipe.ps) >>/Users/jc/w/tmp/Tune-8375-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/TelephoneHornpipe.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_83752.log 157168 Log file, useful mostly for debugging
Coll_83754.log 26757 Log file, useful mostly for debugging
Tune-8375-TelephoneHornpipe.abc 413 ABC music file with the extracted tune(s)
Tune-8375-TelephoneHornpipe.ps 36934 PostScript
Tune-8375-TelephoneHornpipe.txt 413 Plain-text file with the extracted tune(s)
Tune-8375-get.log 4668 Log file, useful mostly for debugging
Tune-83753-get.log 4429 Log file, useful mostly for debugging
Tune-83754-get.log 4353 Log file, useful mostly for debugging
Tune-83758-get.log 4429 Log file, useful mostly for debugging
These files should be available for 24 hours.