Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM4/24CountryDances_1805_Gray_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4819-24CountryDances_1805_Gray_Thompson.ps) >>/Users/jc/w/tmp/Tune-4819-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM4/24CountryDances_1805_Gray_Thompson.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-4819-24CountryDances_1805_Gray_Thompson.abc 170 ABC music file with the extracted tune(s)
Tune-4819-24CountryDances_1805_Gray_Thompson.ps 6 PostScript
Tune-4819-24CountryDances_1805_Gray_Thompson.txt 170 Plain-text file with the extracted tune(s)
Tune-4819-get.log 4566 Log file, useful mostly for debugging
Tune-48191-EFDSS_CDM5.abc 147 ABC music file with the extracted tune(s)
Tune-48191-EFDSS_CDM5.pdf 2217 Portable Data Format
Tune-48191-EFDSS_CDM5.ps 6 PostScript
Tune-48191-EFDSS_CDM5.txt 147 Plain-text file with the extracted tune(s)
Tune-48191-get.log 4880 Log file, useful mostly for debugging
Tune-48193-2245_the_Kinnegad_Slashers-001.svg 26186 Scalable Vector Graphics format
Tune-48193-2245_the_Kinnegad_Slashers.abc 615 ABC music file with the extracted tune(s)
Tune-48193-2245_the_Kinnegad_Slashers.txt 615 Plain-text file with the extracted tune(s)
Tune-48193-get.log 5874 Log file, useful mostly for debugging
Tune-48197-get.log 1398 Log file, useful mostly for debugging
Tune-48199-get.log 7501 Log file, useful mostly for debugging
These files should be available for 24 hours.