Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1792/Goulding_TwentyFourCountryDancesForTheYear1808.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7943-Goulding_TwentyFourCountryDancesForTheYear1808.ps) >>/Users/jc/w/tmp/Tune-7943-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1792/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-7943-Goulding_TwentyFourCountryDancesForTheYear1808.abc 183 ABC music file with the extracted tune(s)
Tune-7943-Goulding_TwentyFourCountryDancesForTheYear1808.ps 6 PostScript
Tune-7943-Goulding_TwentyFourCountryDancesForTheYear1808.txt 183 Plain-text file with the extracted tune(s)
Tune-7943-get.log 4822 Log file, useful mostly for debugging
Tune-79430-get.log 15554 Log file, useful mostly for debugging
Tune-79432-get.log 9411 Log file, useful mostly for debugging
Tune-79433-get.log 4770 Log file, useful mostly for debugging
Tune-79436-get.log 4163 Log file, useful mostly for debugging
Tune-79437-get.log 4743 Log file, useful mostly for debugging
Tune-79439-get.log 17412 Log file, useful mostly for debugging
These files should be available for 24 hours.