Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book33/24CountryDances_1782_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7183-24CountryDances_1782_Skillern.ps) >>/Users/jc/w/tmp/Tune-7183-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book33/24CountryDances_1782_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-7183-24CountryDances_1782_Skillern.abc 168 ABC music file with the extracted tune(s)
Tune-7183-24CountryDances_1782_Skillern.ps 6 PostScript
Tune-7183-24CountryDances_1782_Skillern.txt 168 Plain-text file with the extracted tune(s)
Tune-7183-get.log 8392 Log file, useful mostly for debugging
Tune-71831-get.log 5607 Log file, useful mostly for debugging
Tune-71832-get.log 3886 Log file, useful mostly for debugging
Tune-71833-get.log 14398 Log file, useful mostly for debugging
Tune-71835-get.log 5121 Log file, useful mostly for debugging
Tune-71837-get.log 4631 Log file, useful mostly for debugging
Tune-71838-get.log 4621 Log file, useful mostly for debugging
Tune-71839-get.log 4024 Log file, useful mostly for debugging
These files should be available for 24 hours.