pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-51487-21111_THE_NEW_BOB_REEL.ps) >>/Users/jc/w/tmp/Tune-51487-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21111_THE_NEW_BOB_REEL.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_51487.log 308216 Log file, useful mostly for debugging
Tune-51487-21111_THE_NEW_BOB_REEL.abc 528 ABC music file with the extracted tune(s)
Tune-51487-21111_THE_NEW_BOB_REEL.ps 35947 PostScript
Tune-51487-21111_THE_NEW_BOB_REEL.txt 528 Plain-text file with the extracted tune(s)
Tune-51487-get.log 4730 Log file, useful mostly for debugging
These files should be available for 24 hours.