Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/slide/JamesJohnson_ScotsMusicalMuseumV4-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5529-JamesJohnson_ScotsMusicalMuseumV4-V2.ps) >>/Users/jc/w/tmp/Tune-5529-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/slide/JamesJohnson_ScotsMusicalMuseumV4-V2.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_55291.log 438811 Log file, useful mostly for debugging
Tune-5529-JamesJohnson_ScotsMusicalMuseumV4-V2.abc 174 ABC music file with the extracted tune(s)
Tune-5529-JamesJohnson_ScotsMusicalMuseumV4-V2.ps 6 PostScript
Tune-5529-JamesJohnson_ScotsMusicalMuseumV4-V2.txt 174 Plain-text file with the extracted tune(s)
Tune-5529-get.log 13420 Log file, useful mostly for debugging
Tune-55291-get.log 8089 Log file, useful mostly for debugging
Tune-55292-24CountryDances_1812_JGray.abc 163 ABC music file with the extracted tune(s)
Tune-55292-24CountryDances_1812_JGray.txt 163 Plain-text file with the extracted tune(s)
Tune-55292-get.log 8148 Log file, useful mostly for debugging
Tune-55293-get.log 3520 Log file, useful mostly for debugging
Tune-55294-get.log 3534 Log file, useful mostly for debugging
Tune-55295-get.log 7644 Log file, useful mostly for debugging
Tune-55296-get.log 10264 Log file, useful mostly for debugging
Tune-55297-get.log 9305 Log file, useful mostly for debugging
Tune-55298-get.log 4390 Log file, useful mostly for debugging
Tune-55299-get.log 10275 Log file, useful mostly for debugging
These files should be available for 24 hours.