pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-52622-2415_.ps) >>/Users/jc/w/tmp/Tune-52622-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2415_.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_52622.log 136353 Log file, useful mostly for debugging
Tune-52622-2415_.abc 42 ABC music file with the extracted tune(s)
Tune-52622-2415_.ps 30548 PostScript
Tune-52622-2415_.txt 42 Plain-text file with the extracted tune(s)
Tune-52622-get.log 9953 Log file, useful mostly for debugging
These files should be available for 24 hours.