Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1783/24CountryDances_1813_Button_Whitaker.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4282-24CountryDances_1813_Button_Whitaker.ps) >>/Users/jc/w/tmp/Tune-4282-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1783/24CountryDances_1813_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-4282-24CountryDances_1813_Button_Whitaker.abc 173 ABC music file with the extracted tune(s)
Tune-4282-24CountryDances_1813_Button_Whitaker.ps 6 PostScript
Tune-4282-24CountryDances_1813_Button_Whitaker.txt 173 Plain-text file with the extracted tune(s)
Tune-4282-get.log 4614 Log file, useful mostly for debugging
Tune-42820-get.log 3970 Log file, useful mostly for debugging
Tune-42823-get.log 7543 Log file, useful mostly for debugging
Tune-42825-get.log 8672 Log file, useful mostly for debugging
Tune-42826-get.log 9016 Log file, useful mostly for debugging
Tune-42827-get.log 5398 Log file, useful mostly for debugging
Tune-42829-get.log 8196 Log file, useful mostly for debugging
These files should be available for 24 hours.