Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/waltz/24CountryDances_1812_JGray.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-97700-24CountryDances_1812_JGray.ps) >>/Users/jc/w/tmp/Tune-97700-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/waltz/24CountryDances_1812_JGray.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-97700-20482_Newcastle_Hornpipe-001.svg 16348 Scalable Vector Graphics format
Tune-97700-20482_Newcastle_Hornpipe.abc 667 ABC music file with the extracted tune(s)
Tune-97700-20482_Newcastle_Hornpipe.txt 667 Plain-text file with the extracted tune(s)
Tune-97700-24CountryDances_1812_JGray.abc 164 ABC music file with the extracted tune(s)
Tune-97700-24CountryDances_1812_JGray.ps 6 PostScript
Tune-97700-24CountryDances_1812_JGray.txt 164 Plain-text file with the extracted tune(s)
Tune-97700-get.log 9354 Log file, useful mostly for debugging
These files should be available for 24 hours.