pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-81013-MaidsComplaintJig.ps) >>/Users/jc/w/tmp/Tune-81013-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ryan-cole/Tunes/MaidsComplaintJig.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_81013.log 398135 Log file, useful mostly for debugging
Tune-81013-MaidsComplaintJig.abc 424 ABC music file with the extracted tune(s)
Tune-81013-MaidsComplaintJig.ps 33261 PostScript
Tune-81013-MaidsComplaintJig.txt 424 Plain-text file with the extracted tune(s)
Tune-81013-get.log 4699 Log file, useful mostly for debugging
These files should be available for 24 hours.