Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/SocialDances2002/24AmericanCountryDances_1785_Cantelo.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5289-24AmericanCountryDances_1785_Cantelo.ps) >>/Users/jc/w/tmp/Tune-5289-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SocialDances2002/24AmericanCountryDances_1785_Cantelo.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_52892.log 95364 Log file, useful mostly for debugging
Tune-5289-24AmericanCountryDances_1785_Cantelo.abc 185 ABC music file with the extracted tune(s)
Tune-5289-24AmericanCountryDances_1785_Cantelo.ps 6 PostScript
Tune-5289-24AmericanCountryDances_1785_Cantelo.txt 185 Plain-text file with the extracted tune(s)
Tune-5289-get.log 4686 Log file, useful mostly for debugging
Tune-52890-get.log 5821 Log file, useful mostly for debugging
Tune-52895-24CountryDances_1812_JGray.abc 181 ABC music file with the extracted tune(s)
Tune-52895-24CountryDances_1812_JGray.ps 6 PostScript
Tune-52895-24CountryDances_1812_JGray.txt 181 Plain-text file with the extracted tune(s)
Tune-52895-get.log 4558 Log file, useful mostly for debugging
These files should be available for 24 hours.