Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book43/24CountryDances_1762_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6174-24CountryDances_1762_Thompson.ps) >>/Users/jc/w/tmp/Tune-6174-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book43/24CountryDances_1762_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_61746.log 968 Log file, useful mostly for debugging
Tune-6174-24CountryDances_1762_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-6174-24CountryDances_1762_Thompson.ps 6 PostScript
Tune-6174-24CountryDances_1762_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-6174-get.log 47623 Log file, useful mostly for debugging
Tune-61741-get.log 4243 Log file, useful mostly for debugging
Tune-61745-get.log 228384 Log file, useful mostly for debugging
Tune-61746-get.log 8071 Log file, useful mostly for debugging
Tune-61748-get.log 2882 Log file, useful mostly for debugging
These files should be available for 24 hours.