Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Anonymous2/JohnTreat_GftF1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9705-JohnTreat_GftF1.ps) >>/Users/jc/w/tmp/Tune-9705-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Anonymous2/JohnTreat_GftF1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-9705-JohnTreat_GftF1.abc 158 ABC music file with the extracted tune(s)
Tune-9705-JohnTreat_GftF1.ps 6 PostScript
Tune-9705-JohnTreat_GftF1.txt 158 Plain-text file with the extracted tune(s)
Tune-9705-get.log 9499 Log file, useful mostly for debugging
Tune-97053-get.log 24000 Log file, useful mostly for debugging
Tune-97057-get.log 5816 Log file, useful mostly for debugging
Tune-97058-get.log 9384 Log file, useful mostly for debugging
These files should be available for 24 hours.