Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/SCAJMR/24CountryDances_1818_Button_Whitaker.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5368-24CountryDances_1818_Button_Whitaker.ps) >>/Users/jc/w/tmp/Tune-5368-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCAJMR/24CountryDances_1818_Button_Whitaker.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-5368-24CountryDances_1818_Button_Whitaker.abc 175 ABC music file with the extracted tune(s)
Tune-5368-24CountryDances_1818_Button_Whitaker.ps 6 PostScript
Tune-5368-24CountryDances_1818_Button_Whitaker.txt 175 Plain-text file with the extracted tune(s)
Tune-5368-get.log 4624 Log file, useful mostly for debugging
Tune-53680-get.log 7987 Log file, useful mostly for debugging
Tune-53681-get.log 4493 Log file, useful mostly for debugging
Tune-53683-get.log 4459 Log file, useful mostly for debugging
Tune-53684-get.log 3188 Log file, useful mostly for debugging
Tune-53685-get.log 4436 Log file, useful mostly for debugging
Tune-53686-get.log 7262 Log file, useful mostly for debugging
Tune-53687-get.log 5309 Log file, useful mostly for debugging
Tune-53688-get.log 4737 Log file, useful mostly for debugging
Tune-53689-get.log 3510 Log file, useful mostly for debugging
These files should be available for 24 hours.