Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/HC2009/24CountryDances_1781_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4101-24CountryDances_1781_Skillern.ps) >>/Users/jc/w/tmp/Tune-4101-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/HC2009/24CountryDances_1781_Skillern.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_41012.log 1419339 Log file, useful mostly for debugging
Tune-4101-24CountryDances_1781_Skillern.abc 168 ABC music file with the extracted tune(s)
Tune-4101-24CountryDances_1781_Skillern.ps 6 PostScript
Tune-4101-24CountryDances_1781_Skillern.txt 168 Plain-text file with the extracted tune(s)
Tune-4101-get.log 4477 Log file, useful mostly for debugging
Tune-41010-get.log 5661 Log file, useful mostly for debugging
Tune-41011-11121_Air_From_Rosina.abc 1401 ABC music file with the extracted tune(s)
Tune-41011-11121_Air_From_Rosina.pdf 31326 Portable Data Format
Tune-41011-11121_Air_From_Rosina.ps 45164 PostScript
Tune-41011-11121_Air_From_Rosina.txt 1401 Plain-text file with the extracted tune(s)
Tune-41011-get.log 5877 Log file, useful mostly for debugging
Tune-41013-get.log 4554 Log file, useful mostly for debugging
Tune-41019-10541_Forest_of_Bondi.abc 1182 ABC music file with the extracted tune(s)
Tune-41019-10541_Forest_of_Bondi.ps 40454 PostScript
Tune-41019-10541_Forest_of_Bondi.txt 1182 Plain-text file with the extracted tune(s)
Tune-41019-get.log 11840 Log file, useful mostly for debugging
These files should be available for 24 hours.