Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book08/24CountryDances_1781_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1985-24CountryDances_1781_Skillern.ps) >>/Users/jc/w/tmp/Tune-1985-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book08/24CountryDances_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
Tune-1985-24CountryDances_1781_Skillern.abc 168 ABC music file with the extracted tune(s)
Tune-1985-24CountryDances_1781_Skillern.ps 6 PostScript
Tune-1985-24CountryDances_1781_Skillern.txt 168 Plain-text file with the extracted tune(s)
Tune-1985-get.log 8675 Log file, useful mostly for debugging
Tune-19850-get.log 5611 Log file, useful mostly for debugging
Tune-19851-get.log 4259 Log file, useful mostly for debugging
Tune-19853-get.log 3366 Log file, useful mostly for debugging
Tune-19854-get.log 10662 Log file, useful mostly for debugging
Tune-19856-get.log 5077 Log file, useful mostly for debugging
These files should be available for 24 hours.