pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-12869-0853_MAX_HAWKESS_FAVORITE.ps) >>/Users/jc/w/tmp/Tune-12869-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/BostonCollection/0853_MAX_HAWKESS_FAVORITE.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-12869-0853_MAX_HAWKESS_FAVORITE.abc 724 ABC music file with the extracted tune(s)
Tune-12869-0853_MAX_HAWKESS_FAVORITE.ps 37228 PostScript
Tune-12869-0853_MAX_HAWKESS_FAVORITE.txt 724 Plain-text file with the extracted tune(s)
Tune-12869-5008_Miss_Eleonora_Campbell_of_Killbrides_Reel.abc 742 ABC music file with the extracted tune(s)
Tune-12869-5008_Miss_Eleonora_Campbell_of_Killbrides_Reel.ps 35434 PostScript
Tune-12869-5008_Miss_Eleonora_Campbell_of_Killbrides_Reel.txt 742 Plain-text file with the extracted tune(s)
Tune-12869-get.log 10386 Log file, useful mostly for debugging
These files should be available for 24 hours.