pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-20614-03_WoodstockPark.ps) >>/Users/jc/w/tmp/Tune-20614-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MrKynastonsFamousDance/03_WoodstockPark.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_20614.log 459811 Log file, useful mostly for debugging
Tune-20614-03_WoodstockPark.abc 791 ABC music file with the extracted tune(s)
Tune-20614-03_WoodstockPark.ps 37828 PostScript
Tune-20614-03_WoodstockPark.txt 791 Plain-text file with the extracted tune(s)
Tune-20614-get.log 4701 Log file, useful mostly for debugging
These files should be available for 24 hours.