Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/5Trad/24CountryDances_1765_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7398-24CountryDances_1765_Thompson.ps) >>/Users/jc/w/tmp/Tune-7398-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/5Trad/24CountryDances_1765_Thompson.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-7398-24CountryDances_1765_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-7398-24CountryDances_1765_Thompson.ps 6 PostScript
Tune-7398-24CountryDances_1765_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-7398-get.log 4465 Log file, useful mostly for debugging
Tune-73984-get.log 8405 Log file, useful mostly for debugging
Tune-73987-get.log 5498 Log file, useful mostly for debugging
Tune-73989-get.log 3190 Log file, useful mostly for debugging
These files should be available for 24 hours.