Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/V8/24AmericanCountryDances_1785_Cantelo.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6029-24AmericanCountryDances_1785_Cantelo.ps) >>/Users/jc/w/tmp/Tune-6029-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/V8/24AmericanCountryDances_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
Tune-6029-24AmericanCountryDances_1785_Cantelo.abc 171 ABC music file with the extracted tune(s)
Tune-6029-24AmericanCountryDances_1785_Cantelo.ps 6 PostScript
Tune-6029-24AmericanCountryDances_1785_Cantelo.txt 171 Plain-text file with the extracted tune(s)
Tune-6029-get.log 4602 Log file, useful mostly for debugging
Tune-60290-24CountryDances_1776_Randall.abc 170 ABC music file with the extracted tune(s)
Tune-60290-24CountryDances_1776_Randall.txt 170 Plain-text file with the extracted tune(s)
Tune-60290-get.log 7470 Log file, useful mostly for debugging
Tune-60293-get.log 4247 Log file, useful mostly for debugging
Tune-60294-get.log 3983 Log file, useful mostly for debugging
Tune-60295-get.log 10576 Log file, useful mostly for debugging
Tune-60296-get.log 7996 Log file, useful mostly for debugging
Tune-60297-get.log 4845 Log file, useful mostly for debugging
Tune-60298-get.log 4649 Log file, useful mostly for debugging
Tune-60299-get.log 3983 Log file, useful mostly for debugging
These files should be available for 24 hours.