Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book23/24CountryDances_1771_Randall.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9994-24CountryDances_1771_Randall.ps) >>/Users/jc/w/tmp/Tune-9994-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book23/24CountryDances_1771_Randall.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-9994-24CountryDances_1771_Randall.abc 167 ABC music file with the extracted tune(s)
Tune-9994-24CountryDances_1771_Randall.ps 6 PostScript
Tune-9994-24CountryDances_1771_Randall.txt 167 Plain-text file with the extracted tune(s)
Tune-9994-get.log 4456 Log file, useful mostly for debugging
Tune-99940-get.log 4224 Log file, useful mostly for debugging
Tune-99946-MSRPB.abc 142 ABC music file with the extracted tune(s)
Tune-99946-MSRPB.ps 6 PostScript
Tune-99946-MSRPB.txt 142 Plain-text file with the extracted tune(s)
Tune-99946-get.log 3890 Log file, useful mostly for debugging
Tune-99947-get.log 10373 Log file, useful mostly for debugging
Tune-99948-get.log 10768 Log file, useful mostly for debugging
These files should be available for 24 hours.