Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1801/Goulding_TwentyFourCountryDancesForTheYear1808.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1217-Goulding_TwentyFourCountryDancesForTheYear1808.ps) >>/Users/jc/w/tmp/Tune-1217-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1801/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
Tune-1217-Goulding_TwentyFourCountryDancesForTheYear1808.abc 183 ABC music file with the extracted tune(s)
Tune-1217-Goulding_TwentyFourCountryDancesForTheYear1808.ps 6 PostScript
Tune-1217-Goulding_TwentyFourCountryDancesForTheYear1808.txt 183 Plain-text file with the extracted tune(s)
Tune-1217-get.log 4820 Log file, useful mostly for debugging
Tune-12170-get.log 5636 Log file, useful mostly for debugging
Tune-12171-get.log 15975 Log file, useful mostly for debugging
Tune-12172-get.log 14359 Log file, useful mostly for debugging
Tune-12173-get.log 10961 Log file, useful mostly for debugging
Tune-12174-get.log 3254 Log file, useful mostly for debugging
Tune-12177-get.log 4434 Log file, useful mostly for debugging
Tune-12179-get.log 17403 Log file, useful mostly for debugging
These files should be available for 24 hours.