pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-86141-ThusSpokeTony.ps) >>/Users/jc/w/tmp/Tune-86141-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/ThusSpokeTony.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-86141-ThusSpokeTony.abc 2140 ABC music file with the extracted tune(s)
Tune-86141-ThusSpokeTony.ps 45056 PostScript
Tune-86141-ThusSpokeTony.txt 2140 Plain-text file with the extracted tune(s)
Tune-86141-get.log 4914 Log file, useful mostly for debugging
These files should be available for 24 hours.