Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book31/24AmericanCountryDances_1785_Cantelo.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2534-24AmericanCountryDances_1785_Cantelo.ps) >>/Users/jc/w/tmp/Tune-2534-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book31/24AmericanCountryDances_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_25346.log 146717 Log file, useful mostly for debugging
Tune-2534-24AmericanCountryDances_1785_Cantelo.abc 175 ABC music file with the extracted tune(s)
Tune-2534-24AmericanCountryDances_1785_Cantelo.ps 6 PostScript
Tune-2534-24AmericanCountryDances_1785_Cantelo.txt 175 Plain-text file with the extracted tune(s)
Tune-2534-get.log 4624 Log file, useful mostly for debugging
Tune-25342-get.log 7035 Log file, useful mostly for debugging
Tune-25343-get.log 9236 Log file, useful mostly for debugging
Tune-25344-get.log 8257 Log file, useful mostly for debugging
Tune-25345-get.log 4401 Log file, useful mostly for debugging
Tune-25346-get.log 1400 Log file, useful mostly for debugging
Tune-25347-get.log 3534 Log file, useful mostly for debugging
Tune-25348-get.log 7788 Log file, useful mostly for debugging
These files should be available for 24 hours.