pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-50395-373_MissHScottsStrathspey.ps) >>/Users/jc/w/tmp/Tune-50395-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Pringle/373_MissHScottsStrathspey.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_50395.log 862 Log file, useful mostly for debugging
Tune-50395-373_MissHScottsStrathspey.abc 776 ABC music file with the extracted tune(s)
Tune-50395-373_MissHScottsStrathspey.ps 37876 PostScript
Tune-50395-373_MissHScottsStrathspey.txt 776 Plain-text file with the extracted tune(s)
Tune-50395-get.log 10718 Log file, useful mostly for debugging
These files should be available for 24 hours.