pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-35565-21763_SLING_THE_HATCHET.ps) >>/Users/jc/w/tmp/Tune-35565-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21763_SLING_THE_HATCHET.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_35565.log 1082410 Log file, useful mostly for debugging
Form_35565.log 1039 Log file, useful mostly for debugging
Tune-35565-21763_SLING_THE_HATCHET.abc 747 ABC music file with the extracted tune(s)
Tune-35565-21763_SLING_THE_HATCHET.ps 38381 PostScript
Tune-35565-21763_SLING_THE_HATCHET.txt 747 Plain-text file with the extracted tune(s)
Tune-35565-get.log 4779 Log file, useful mostly for debugging
These files should be available for 24 hours.