Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/ScotsMusicalMuseumV4/24CountryDances_1800_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9102-24CountryDances_1800_Preston.ps) >>/Users/jc/w/tmp/Tune-9102-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ScotsMusicalMuseumV4/24CountryDances_1800_Preston.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-9102-24CountryDances_1800_Preston.abc 181 ABC music file with the extracted tune(s)
Tune-9102-24CountryDances_1800_Preston.ps 6 PostScript
Tune-9102-24CountryDances_1800_Preston.txt 181 Plain-text file with the extracted tune(s)
Tune-9102-get.log 4536 Log file, useful mostly for debugging
Tune-91024-get.log 33568 Log file, useful mostly for debugging
Tune-91029-Sheebag_Sheemore_1-001.svg 18169 Scalable Vector Graphics format
Tune-91029-Sheebag_Sheemore_1.abc 572 ABC music file with the extracted tune(s)
Tune-91029-Sheebag_Sheemore_1.txt 572 Plain-text file with the extracted tune(s)
Tune-91029-get.log 4295 Log file, useful mostly for debugging
These files should be available for 24 hours.