pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30709-OldBachelorsReel.ps) >>/Users/jc/w/tmp/Tune-30709-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ryan-cole/Tunes/OldBachelorsReel.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_30709.log 291355 Log file, useful mostly for debugging
Tune-30709-OldBachelorsReel.abc 611 ABC music file with the extracted tune(s)
Tune-30709-OldBachelorsReel.ps 37932 PostScript
Tune-30709-OldBachelorsReel.txt 611 Plain-text file with the extracted tune(s)
Tune-30709-get.log 4658 Log file, useful mostly for debugging
These files should be available for 24 hours.