Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book14/24CountryDances_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7699-24CountryDances_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-7699-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book14/24CountryDances_1770_Longman.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_76992.log 630612 Log file, useful mostly for debugging
Coll_76997.log 443084 Log file, useful mostly for debugging
Tune-7699-24CountryDances_1770_Longman.abc 167 ABC music file with the extracted tune(s)
Tune-7699-24CountryDances_1770_Longman.ps 6 PostScript
Tune-7699-24CountryDances_1770_Longman.txt 167 Plain-text file with the extracted tune(s)
Tune-7699-get.log 4452 Log file, useful mostly for debugging
Tune-76991-get.log 4052 Log file, useful mostly for debugging
Tune-76992-get.log 1376 Log file, useful mostly for debugging
Tune-76994-get.log 3394 Log file, useful mostly for debugging
Tune-76996-get.log 1376 Log file, useful mostly for debugging
These files should be available for 24 hours.