Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/NewColl44Cot/24CountryDances_1818_Button_Whitaker.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4240-24CountryDances_1818_Button_Whitaker.ps) >>/Users/jc/w/tmp/Tune-4240-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/NewColl44Cot/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
Coll_42405.log 157730 Log file, useful mostly for debugging
Tune-4240-24CountryDances_1818_Button_Whitaker.abc 181 ABC music file with the extracted tune(s)
Tune-4240-24CountryDances_1818_Button_Whitaker.ps 6 PostScript
Tune-4240-24CountryDances_1818_Button_Whitaker.txt 181 Plain-text file with the extracted tune(s)
Tune-4240-get.log 4658 Log file, useful mostly for debugging
Tune-42401-get.log 2823 Log file, useful mostly for debugging
Tune-42405-Gallini_NewColl44Cot1.abc 175 ABC music file with the extracted tune(s)
Tune-42405-Gallini_NewColl44Cot1.txt 175 Plain-text file with the extracted tune(s)
Tune-42405-get.log 9342 Log file, useful mostly for debugging
These files should be available for 24 hours.