Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Gems/24CountryDances_1782_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7009-24CountryDances_1782_Skillern.ps) >>/Users/jc/w/tmp/Tune-7009-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gems/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
Coll_70095.log 451426 Log file, useful mostly for debugging
Coll_70096.log 119417 Log file, useful mostly for debugging
Tune-7009-24CountryDances_1782_Skillern.abc 166 ABC music file with the extracted tune(s)
Tune-7009-24CountryDances_1782_Skillern.ps 6 PostScript
Tune-7009-24CountryDances_1782_Skillern.txt 166 Plain-text file with the extracted tune(s)
Tune-7009-get.log 9005 Log file, useful mostly for debugging
Tune-70091-get.log 3082 Log file, useful mostly for debugging
Tune-70092-get.log 3358 Log file, useful mostly for debugging
Tune-70096-get.log 3094 Log file, useful mostly for debugging
Tune-70097-get.log 9964 Log file, useful mostly for debugging
Tune-70098-get.log 4925 Log file, useful mostly for debugging
Tune-70099-get.log 7946 Log file, useful mostly for debugging
These files should be available for 24 hours.