pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-78422-Lady_Spellor.ps) >>/Users/jc/w/tmp/Tune-78422-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/Lady_Spellor.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-78422-Lady_Spellor.abc 261 ABC music file with the extracted tune(s)
Tune-78422-Lady_Spellor.ps 32752 PostScript
Tune-78422-Lady_Spellor.txt 261 Plain-text file with the extracted tune(s)
Tune-78422-get.log 4476 Log file, useful mostly for debugging
These files should be available for 24 hours.