Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Rare_Small/24CountryDances_1780_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2703-24CountryDances_1780_Thompson.ps) >>/Users/jc/w/tmp/Tune-2703-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Rare_Small/24CountryDances_1780_Thompson.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_27039.log 381411 Log file, useful mostly for debugging
Tune-2703-24CountryDances_1780_Thompson.abc 172 ABC music file with the extracted tune(s)
Tune-2703-24CountryDances_1780_Thompson.ps 6 PostScript
Tune-2703-24CountryDances_1780_Thompson.txt 172 Plain-text file with the extracted tune(s)
Tune-2703-get.log 9917 Log file, useful mostly for debugging
Tune-27032-get.log 10619 Log file, useful mostly for debugging
Tune-27033-get.log 7378 Log file, useful mostly for debugging
Tune-27035-get.log 8201 Log file, useful mostly for debugging
Tune-27036-Goulding_TwentyFourCountryDancesForTheYear1808.abc 185 ABC music file with the extracted tune(s)
Tune-27036-Goulding_TwentyFourCountryDancesForTheYear1808.txt 185 Plain-text file with the extracted tune(s)
Tune-27036-get.log 17582 Log file, useful mostly for debugging
Tune-27038-get.log 3322 Log file, useful mostly for debugging
Tune-27039-get.log 9772 Log file, useful mostly for debugging
These files should be available for 24 hours.