Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1767/Goulding_TwentyFourCountryDancesForTheYear1808.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1299-Goulding_TwentyFourCountryDancesForTheYear1808.ps) >>/Users/jc/w/tmp/Tune-1299-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1767/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
Sess-12990.log 17312 Log file, useful mostly for debugging
Tune-1299-Goulding_TwentyFourCountryDancesForTheYear1808.abc 183 ABC music file with the extracted tune(s)
Tune-1299-Goulding_TwentyFourCountryDancesForTheYear1808.ps 6 PostScript
Tune-1299-Goulding_TwentyFourCountryDancesForTheYear1808.txt 183 Plain-text file with the extracted tune(s)
Tune-1299-get.log 13850 Log file, useful mostly for debugging
Tune-12991-get.log 7218 Log file, useful mostly for debugging
Tune-12992-get.log 8055 Log file, useful mostly for debugging
Tune-12994-get.log 13555 Log file, useful mostly for debugging
Tune-12997-get.log 4747 Log file, useful mostly for debugging
Tune-12998-get.log 9744 Log file, useful mostly for debugging
These files should be available for 24 hours.