Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/misc/CTftF.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9047-CTftF.ps) >>/Users/jc/w/tmp/Tune-9047-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/misc/CTftF.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_90473.log 145456 Log file, useful mostly for debugging
Tune-9047-CTftF.abc 142 ABC music file with the extracted tune(s)
Tune-9047-CTftF.ps 6 PostScript
Tune-9047-CTftF.txt 142 Plain-text file with the extracted tune(s)
Tune-9047-get.log 5383 Log file, useful mostly for debugging
Tune-90470-get.log 1389 Log file, useful mostly for debugging
Tune-90476-get.log 19440 Log file, useful mostly for debugging
These files should be available for 24 hours.