Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book23/24CountryDances_1782_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8954-24CountryDances_1782_Thompson.ps) >>/Users/jc/w/tmp/Tune-8954-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book23/24CountryDances_1782_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
Form_89548.log 816 Log file, useful mostly for debugging
Tune-8954-24CountryDances_1782_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-8954-24CountryDances_1782_Thompson.ps 6 PostScript
Tune-8954-24CountryDances_1782_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-8954-get.log 4475 Log file, useful mostly for debugging
Tune-89542-get.log 5123 Log file, useful mostly for debugging
Tune-89546-Hamilton_Kerr_MM2-V2.abc 164 ABC music file with the extracted tune(s)
Tune-89546-Hamilton_Kerr_MM2-V2.ps 6 PostScript
Tune-89546-Hamilton_Kerr_MM2-V2.txt 164 Plain-text file with the extracted tune(s)
Tune-89546-get.log 100765 Log file, useful mostly for debugging
These files should be available for 24 hours.