Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1784/Goulding_TwentyFourCountryDancesForTheYear1808.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1716-Goulding_TwentyFourCountryDancesForTheYear1808.ps) >>/Users/jc/w/tmp/Tune-1716-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1784/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-1716-Goulding_TwentyFourCountryDancesForTheYear1808.abc 183 ABC music file with the extracted tune(s)
Tune-1716-Goulding_TwentyFourCountryDancesForTheYear1808.ps 6 PostScript
Tune-1716-Goulding_TwentyFourCountryDancesForTheYear1808.txt 183 Plain-text file with the extracted tune(s)
Tune-1716-get.log 9048 Log file, useful mostly for debugging
Tune-17160-get.log 4405 Log file, useful mostly for debugging
Tune-17162-get.log 4450 Log file, useful mostly for debugging
Tune-17163-get.log 3518 Log file, useful mostly for debugging
Tune-17164-get.log 8760 Log file, useful mostly for debugging
Tune-17165-get.log 4428 Log file, useful mostly for debugging
Tune-17168-get.log 4317 Log file, useful mostly for debugging
Tune-17169-get.log 4541 Log file, useful mostly for debugging
These files should be available for 24 hours.