Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM1/12CountryDances_1796_Cahusac.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1664-12CountryDances_1796_Cahusac.ps) >>/Users/jc/w/tmp/Tune-1664-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM1/12CountryDances_1796_Cahusac.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-1664-12CountryDances_1796_Cahusac.abc 164 ABC music file with the extracted tune(s)
Tune-1664-12CountryDances_1796_Cahusac.ps 6 PostScript
Tune-1664-12CountryDances_1796_Cahusac.txt 164 Plain-text file with the extracted tune(s)
Tune-1664-get.log 4436 Log file, useful mostly for debugging
Tune-16641-get.log 4817 Log file, useful mostly for debugging
Tune-16643-get.log 4965 Log file, useful mostly for debugging
Tune-16644-get.log 4303 Log file, useful mostly for debugging
Tune-16647-get.log 5230 Log file, useful mostly for debugging
Tune-16648-get.log 7362 Log file, useful mostly for debugging
These files should be available for 24 hours.