Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1759/24CountryDances_1810_Button_Whitaker_Elegant.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4011-24CountryDances_1810_Button_Whitaker_Elegant.ps) >>/Users/jc/w/tmp/Tune-4011-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1759/24CountryDances_1810_Button_Whitaker_Elegant.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-4011-24CountryDances_1810_Button_Whitaker_Elegant.abc 181 ABC music file with the extracted tune(s)
Tune-4011-24CountryDances_1810_Button_Whitaker_Elegant.ps 6 PostScript
Tune-4011-24CountryDances_1810_Button_Whitaker_Elegant.txt 181 Plain-text file with the extracted tune(s)
Tune-4011-get.log 8520 Log file, useful mostly for debugging
Tune-40112-ThomasYouCannot_PLFD1670_214-001.svg 13679 Scalable Vector Graphics format
Tune-40112-ThomasYouCannot_PLFD1670_214.abc 371 ABC music file with the extracted tune(s)
Tune-40112-ThomasYouCannot_PLFD1670_214.txt 371 Plain-text file with the extracted tune(s)
Tune-40112-get.log 4569 Log file, useful mostly for debugging
Tune-40113-045_Durham.abc 686 ABC music file with the extracted tune(s)
Tune-40113-045_Durham.ps 35487 PostScript
Tune-40113-045_Durham.txt 686 Plain-text file with the extracted tune(s)
Tune-40113-get.log 4568 Log file, useful mostly for debugging
Tune-40114-Lonesome_Road_to_Dingle.abc 406 ABC music file with the extracted tune(s)
Tune-40114-Lonesome_Road_to_Dingle.pdf 14188 Portable Data Format
Tune-40114-Lonesome_Road_to_Dingle.ps 33609 PostScript
Tune-40114-Lonesome_Road_to_Dingle.txt 406 Plain-text file with the extracted tune(s)
Tune-40114-get.log 5971 Log file, useful mostly for debugging
Tune-40117-SCD_Book49-V2.abc 150 ABC music file with the extracted tune(s)
Tune-40117-SCD_Book49-V2.txt 150 Plain-text file with the extracted tune(s)
Tune-40117-get.log 3242 Log file, useful mostly for debugging
Tune-40119-068_Cameronian_Rant.abc 794 ABC music file with the extracted tune(s)
Tune-40119-068_Cameronian_Rant.pdf 16855 Portable Data Format
Tune-40119-068_Cameronian_Rant.ps 36293 PostScript
Tune-40119-068_Cameronian_Rant.txt 794 Plain-text file with the extracted tune(s)
Tune-40119-get.log 5767 Log file, useful mostly for debugging
These files should be available for 24 hours.