Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1777/Goulding_TwentyFourCountryDancesForTheYear1808.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7671-Goulding_TwentyFourCountryDancesForTheYear1808.ps) >>/Users/jc/w/tmp/Tune-7671-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1777/Goulding_TwentyFourCountryDancesForTheYear1808.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
List76712.log 162 Log file, useful mostly for debugging
Tune-7671-Goulding_TwentyFourCountryDancesForTheYear1808.abc 183 ABC music file with the extracted tune(s)
Tune-7671-Goulding_TwentyFourCountryDancesForTheYear1808.ps 6 PostScript
Tune-7671-Goulding_TwentyFourCountryDancesForTheYear1808.txt 183 Plain-text file with the extracted tune(s)
Tune-7671-get.log 9140 Log file, useful mostly for debugging
Tune-76711-get.log 5491 Log file, useful mostly for debugging
Tune-76713-get.log 10988 Log file, useful mostly for debugging
Tune-76715-get.log 8320 Log file, useful mostly for debugging
Tune-76717-get.log 3033 Log file, useful mostly for debugging
Tune-76719-get.log 3632 Log file, useful mostly for debugging
These files should be available for 24 hours.