Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/TomThumb/24CountryDances_1808_Goulding_AK.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3673-24CountryDances_1808_Goulding_AK.ps) >>/Users/jc/w/tmp/Tune-3673-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/TomThumb/24CountryDances_1808_Goulding_AK.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-3673-24CountryDances_1808_Goulding_AK.abc 173 ABC music file with the extracted tune(s)
Tune-3673-24CountryDances_1808_Goulding_AK.ps 6 PostScript
Tune-3673-24CountryDances_1808_Goulding_AK.txt 173 Plain-text file with the extracted tune(s)
Tune-3673-get.log 4552 Log file, useful mostly for debugging
Tune-36732-get.log 1410 Log file, useful mostly for debugging
Tune-36736-get.log 1424 Log file, useful mostly for debugging
These files should be available for 24 hours.