pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7021-Winsome_Widow-G-32-2.ps) >>/Users/jc/w/tmp/Tune-7021-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/march/Winsome_Widow-G-32-2.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_70213.log 1026090 Log file, useful mostly for debugging
Tune-7021-Winsome_Widow-G-32-2.abc 529 ABC music file with the extracted tune(s)
Tune-7021-Winsome_Widow-G-32-2.ps 35617 PostScript
Tune-7021-Winsome_Widow-G-32-2.txt 529 Plain-text file with the extracted tune(s)
Tune-7021-get.log 5405 Log file, useful mostly for debugging
Tune-70218-get.log 4167 Log file, useful mostly for debugging
Tune-70219-get.log 4537 Log file, useful mostly for debugging
These files should be available for 24 hours.