pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4931-21501_THE_BROADSWORD_HORNPIPE.ps) >>/Users/jc/w/tmp/Tune-4931-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21501_THE_BROADSWORD_HORNPIPE.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_49315.log 261851 Log file, useful mostly for debugging
Form_49316.log 990 Log file, useful mostly for debugging
Form_49317.log 1828 Log file, useful mostly for debugging
Form_49319.log 1904 Log file, useful mostly for debugging
Tune-4931-21501_THE_BROADSWORD_HORNPIPE.abc 718 ABC music file with the extracted tune(s)
Tune-4931-21501_THE_BROADSWORD_HORNPIPE.ps 38527 PostScript
Tune-4931-21501_THE_BROADSWORD_HORNPIPE.txt 718 Plain-text file with the extracted tune(s)
Tune-4931-get.log 5051 Log file, useful mostly for debugging
Tune-49312-get.log 9249 Log file, useful mostly for debugging
These files should be available for 24 hours.