Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM4/12CountryDances_1796_Cahusac.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6524-12CountryDances_1796_Cahusac.ps) >>/Users/jc/w/tmp/Tune-6524-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM4/12CountryDances_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
Form_65245.log 912 Log file, useful mostly for debugging
Form_65246.log 823 Log file, useful mostly for debugging
Tune-6524-12CountryDances_1796_Cahusac.abc 164 ABC music file with the extracted tune(s)
Tune-6524-12CountryDances_1796_Cahusac.ps 6 PostScript
Tune-6524-12CountryDances_1796_Cahusac.txt 164 Plain-text file with the extracted tune(s)
Tune-6524-get.log 4432 Log file, useful mostly for debugging
Tune-65240-DanielWright_CCCCD.abc 155 ABC music file with the extracted tune(s)
Tune-65240-DanielWright_CCCCD.pdf 2217 Portable Data Format
Tune-65240-DanielWright_CCCCD.ps 6 PostScript
Tune-65240-DanielWright_CCCCD.txt 155 Plain-text file with the extracted tune(s)
Tune-65240-get.log 5114 Log file, useful mostly for debugging
Tune-65241-get.log 1280 Log file, useful mostly for debugging
Tune-65242-get.log 1391 Log file, useful mostly for debugging
Tune-65245-get.log 4490 Log file, useful mostly for debugging
Tune-65246-get.log 2809 Log file, useful mostly for debugging
These files should be available for 24 hours.