Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1811.abc/HillCountryTunes.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3668-HillCountryTunes.ps) >>/Users/jc/w/tmp/Tune-3668-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1811.abc/HillCountryTunes.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_36684.log 390085 Log file, useful mostly for debugging
Form_36687.log 909 Log file, useful mostly for debugging
Tune-3668-HillCountryTunes.abc 157 ABC music file with the extracted tune(s)
Tune-3668-HillCountryTunes.ps 6 PostScript
Tune-3668-HillCountryTunes.txt 157 Plain-text file with the extracted tune(s)
Tune-3668-get.log 4216 Log file, useful mostly for debugging
Tune-36681-get.log 9830 Log file, useful mostly for debugging
Tune-36682-get.log 3220 Log file, useful mostly for debugging
Tune-36683-get.log 6180 Log file, useful mostly for debugging
Tune-36684-get.log 5228 Log file, useful mostly for debugging
Tune-36685-get.log 9386 Log file, useful mostly for debugging
Tune-36686-get.log 3146 Log file, useful mostly for debugging
Tune-36689-get.log 4006 Log file, useful mostly for debugging
These files should be available for 24 hours.