pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-94991-WaltzCountryDance.ps) >>/Users/jc/w/tmp/Tune-94991-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/England/WaltzCountryDance.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_94991.log 281520 Log file, useful mostly for debugging
Tune-94991-WaltzCountryDance.abc 1708 ABC music file with the extracted tune(s)
Tune-94991-WaltzCountryDance.ps 42722 PostScript
Tune-94991-WaltzCountryDance.txt 1708 Plain-text file with the extracted tune(s)
Tune-94991-get.log 4550 Log file, useful mostly for debugging
These files should be available for 24 hours.