Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/TremontQuadrilles/CSGBT_1794-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4181-CSGBT_1794-V2.ps) >>/Users/jc/w/tmp/Tune-4181-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/TremontQuadrilles/CSGBT_1794-V2.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_41816.log 1480835 Log file, useful mostly for debugging
Tune-4181-CSGBT_1794-V2.abc 163 ABC music file with the extracted tune(s)
Tune-4181-CSGBT_1794-V2.ps 6 PostScript
Tune-4181-CSGBT_1794-V2.txt 163 Plain-text file with the extracted tune(s)
Tune-4181-get.log 4205 Log file, useful mostly for debugging
Tune-41811-get.log 5373 Log file, useful mostly for debugging
Tune-41813-get.log 4091 Log file, useful mostly for debugging
Tune-41816-24CountryDances_1803_Preston.abc 164 ABC music file with the extracted tune(s)
Tune-41816-24CountryDances_1803_Preston.pdf 2217 Portable Data Format
Tune-41816-24CountryDances_1803_Preston.ps 6 PostScript
Tune-41816-24CountryDances_1803_Preston.txt 164 Plain-text file with the extracted tune(s)
Tune-41816-get.log 5394 Log file, useful mostly for debugging
Tune-41817-get.log 5168 Log file, useful mostly for debugging
Tune-41818-get.log 5164 Log file, useful mostly for debugging
These files should be available for 24 hours.