Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/AdvancedSD/CaledonianCountryDances.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8332-CaledonianCountryDances.ps) >>/Users/jc/w/tmp/Tune-8332-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/AdvancedSD/CaledonianCountryDances.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-8332-CaledonianCountryDances.abc 166 ABC music file with the extracted tune(s)
Tune-8332-CaledonianCountryDances.ps 6 PostScript
Tune-8332-CaledonianCountryDances.txt 166 Plain-text file with the extracted tune(s)
Tune-8332-get.log 4371 Log file, useful mostly for debugging
Tune-83321-get.log 4551 Log file, useful mostly for debugging
Tune-83325-get.log 24220 Log file, useful mostly for debugging
Tune-83327-get.log 4611 Log file, useful mostly for debugging
Tune-83328-get.log 4331 Log file, useful mostly for debugging
These files should be available for 24 hours.