pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3659-MyLadyCullen_PLFD1651_065.ps) >>/Users/jc/w/tmp/Tune-3659-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/MyLadyCullen_PLFD1651_065.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_36598.log 469608 Log file, useful mostly for debugging
Coll_36599.log 457009 Log file, useful mostly for debugging
Tune-3659-MyLadyCullen_PLFD1651_065.abc 345 ABC music file with the extracted tune(s)
Tune-3659-MyLadyCullen_PLFD1651_065.ps 32234 PostScript
Tune-3659-MyLadyCullen_PLFD1651_065.txt 345 Plain-text file with the extracted tune(s)
Tune-3659-get.log 5454 Log file, useful mostly for debugging
Tune-36590-get.log 1467 Log file, useful mostly for debugging
Tune-36591-get.log 3235 Log file, useful mostly for debugging
Tune-36594-get.log 1382 Log file, useful mostly for debugging
Tune-36599-get.log 1515 Log file, useful mostly for debugging
These files should be available for 24 hours.