Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/COST/24CountryDances_1766_various.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-97511-24CountryDances_1766_various.ps) >>/Users/jc/w/tmp/Tune-97511-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/COST/24CountryDances_1766_various.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-97511-24CountryDances_1766_various.abc 165 ABC music file with the extracted tune(s)
Tune-97511-24CountryDances_1766_various.ps 6 PostScript
Tune-97511-24CountryDances_1766_various.txt 165 Plain-text file with the extracted tune(s)
Tune-97511-KeyWestHornpipe.abc 521 ABC music file with the extracted tune(s)
Tune-97511-KeyWestHornpipe.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-97511-KeyWestHornpipe.ps 36630 PostScript
Tune-97511-KeyWestHornpipe.txt 521 Plain-text file with the extracted tune(s)
Tune-97511-get.log 11283 Log file, useful mostly for debugging
These files should be available for 24 hours.