pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7500-Ellen_OGrady-A-16-3.ps) >>/Users/jc/w/tmp/Tune-7500-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/slipjig/Ellen_OGrady-A-16-3.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_75005.log 3695 Log file, useful mostly for debugging
Tune-7500-Ellen_OGrady-A-16-3.abc 453 ABC music file with the extracted tune(s)
Tune-7500-Ellen_OGrady-A-16-3.ps 34351 PostScript
Tune-7500-Ellen_OGrady-A-16-3.txt 453 Plain-text file with the extracted tune(s)
Tune-7500-get.log 4699 Log file, useful mostly for debugging
Tune-75001-get.log 1390 Log file, useful mostly for debugging
Tune-75006-get.log 1390 Log file, useful mostly for debugging
Tune-75009-get.log 3746 Log file, useful mostly for debugging
These files should be available for 24 hours.