Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/SelectionOfDancesReelsAndWaltzes/24CountryDances_1809_Cahusac_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1965-24CountryDances_1809_Cahusac_FTM.ps) >>/Users/jc/w/tmp/Tune-1965-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SelectionOfDancesReelsAndWaltzes/24CountryDances_1809_Cahusac_FTM.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-1965-24CountryDances_1809_Cahusac_FTM.abc 197 ABC music file with the extracted tune(s)
Tune-1965-24CountryDances_1809_Cahusac_FTM.ps 6 PostScript
Tune-1965-24CountryDances_1809_Cahusac_FTM.txt 197 Plain-text file with the extracted tune(s)
Tune-1965-get.log 4698 Log file, useful mostly for debugging
Tune-19650-get.log 7794 Log file, useful mostly for debugging
Tune-19652-get.log 12854 Log file, useful mostly for debugging
Tune-19653-get.log 8867 Log file, useful mostly for debugging
Tune-19655-get.log 3576 Log file, useful mostly for debugging
Tune-19657-Goulding_TwentyFourCountryDancesForTheYear1808.abc 185 ABC music file with the extracted tune(s)
Tune-19657-Goulding_TwentyFourCountryDancesForTheYear1808.ps 6 PostScript
Tune-19657-Goulding_TwentyFourCountryDancesForTheYear1808.txt 185 Plain-text file with the extracted tune(s)
Tune-19657-get.log 4880 Log file, useful mostly for debugging
Tune-19659-get.log 9192 Log file, useful mostly for debugging
These files should be available for 24 hours.