pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9789-ParnellAndIrelandJig.ps) >>/Users/jc/w/tmp/Tune-9789-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ryan-cole/Tunes/ParnellAndIrelandJig.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_97891.log 372845 Log file, useful mostly for debugging
Coll_97896.log 260445 Log file, useful mostly for debugging
Tune-9789-ParnellAndIrelandJig.abc 543 ABC music file with the extracted tune(s)
Tune-9789-ParnellAndIrelandJig.ps 35098 PostScript
Tune-9789-ParnellAndIrelandJig.txt 543 Plain-text file with the extracted tune(s)
Tune-9789-get.log 4751 Log file, useful mostly for debugging
Tune-97896-get.log 5509 Log file, useful mostly for debugging
These files should be available for 24 hours.