pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-38352-RestAndBeThankful.ps) >>/Users/jc/w/tmp/Tune-38352-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/RestAndBeThankful.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-38352-RestAndBeThankful.abc 1821 ABC music file with the extracted tune(s)
Tune-38352-RestAndBeThankful.ps 45306 PostScript
Tune-38352-RestAndBeThankful.txt 1821 Plain-text file with the extracted tune(s)
Tune-38352-get.log 5038 Log file, useful mostly for debugging
These files should be available for 24 hours.