pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6633-MissJohnsonsHornpipe.ps) >>/Users/jc/w/tmp/Tune-6633-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/MissJohnsonsHornpipe.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-6633-MissJohnsonsHornpipe.abc 529 ABC music file with the extracted tune(s)
Tune-6633-MissJohnsonsHornpipe.ps 35581 PostScript
Tune-6633-MissJohnsonsHornpipe.txt 529 Plain-text file with the extracted tune(s)
Tune-6633-get.log 4755 Log file, useful mostly for debugging
Tune-66331-get.log 2898 Log file, useful mostly for debugging
Tune-66332-get.log 4142 Log file, useful mostly for debugging
Tune-66333-get.log 3569 Log file, useful mostly for debugging
Tune-66335-Glen2.abc 142 ABC music file with the extracted tune(s)
Tune-66335-Glen2.ps 6 PostScript
Tune-66335-Glen2.txt 142 Plain-text file with the extracted tune(s)
Tune-66335-get.log 3884 Log file, useful mostly for debugging
Tune-66339-Strathcarron_Dancers.abc 1241 ABC music file with the extracted tune(s)
Tune-66339-Strathcarron_Dancers.ps 39324 PostScript
Tune-66339-Strathcarron_Dancers.txt 1241 Plain-text file with the extracted tune(s)
Tune-66339-get.log 4774 Log file, useful mostly for debugging
These files should be available for 24 hours.