pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54194-ShuffleAndCutJig.ps) >>/Users/jc/w/tmp/Tune-54194-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ryan-cole/Tunes/ShuffleAndCutJig.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_54194.log 327885 Log file, useful mostly for debugging
Tune-54194-ShuffleAndCutJig.abc 804 ABC music file with the extracted tune(s)
Tune-54194-ShuffleAndCutJig.ps 40973 PostScript
Tune-54194-ShuffleAndCutJig.txt 804 Plain-text file with the extracted tune(s)
Tune-54194-get.log 9402 Log file, useful mostly for debugging
These files should be available for 24 hours.