Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM4/24CountryDances_1809_Cahusac_JC.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1277-24CountryDances_1809_Cahusac_JC.ps) >>/Users/jc/w/tmp/Tune-1277-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM4/24CountryDances_1809_Cahusac_JC.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_12778.log 971 Log file, useful mostly for debugging
Form_12779.log 951 Log file, useful mostly for debugging
Sess-12771.log 10718 Log file, useful mostly for debugging
Tune-1277-24CountryDances_1809_Cahusac_JC.abc 167 ABC music file with the extracted tune(s)
Tune-1277-24CountryDances_1809_Cahusac_JC.ps 6 PostScript
Tune-1277-24CountryDances_1809_Cahusac_JC.txt 167 Plain-text file with the extracted tune(s)
Tune-1277-get.log 7516 Log file, useful mostly for debugging
These files should be available for 24 hours.