Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1778/Wilson_Harmony_4NCD_1812_V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4673-Wilson_Harmony_4NCD_1812_V2.ps) >>/Users/jc/w/tmp/Tune-4673-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1778/Wilson_Harmony_4NCD_1812_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
Tune-4673-Wilson_Harmony_4NCD_1812_V2.abc 164 ABC music file with the extracted tune(s)
Tune-4673-Wilson_Harmony_4NCD_1812_V2.ps 6 PostScript
Tune-4673-Wilson_Harmony_4NCD_1812_V2.txt 164 Plain-text file with the extracted tune(s)
Tune-4673-get.log 4423 Log file, useful mostly for debugging
Tune-46737-MissStuartsStrathspey-001.svg 31906 Scalable Vector Graphics format
Tune-46737-MissStuartsStrathspey.abc 642 ABC music file with the extracted tune(s)
Tune-46737-MissStuartsStrathspey.txt 642 Plain-text file with the extracted tune(s)
Tune-46737-get.log 4418 Log file, useful mostly for debugging
Tune-46738-OldWallsOfLiscarrollJig-001.svg 19772 Scalable Vector Graphics format
Tune-46738-OldWallsOfLiscarrollJig.abc 475 ABC music file with the extracted tune(s)
Tune-46738-OldWallsOfLiscarrollJig.txt 475 Plain-text file with the extracted tune(s)
Tune-46738-get.log 4479 Log file, useful mostly for debugging
These files should be available for 24 hours.