Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM1/HibernianMuse-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1557-HibernianMuse-V2.ps) >>/Users/jc/w/tmp/Tune-1557-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM1/HibernianMuse-V2.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_15578.log 156467 Log file, useful mostly for debugging
Tune-1557-HibernianMuse-V2.abc 152 ABC music file with the extracted tune(s)
Tune-1557-HibernianMuse-V2.ps 6 PostScript
Tune-1557-HibernianMuse-V2.txt 152 Plain-text file with the extracted tune(s)
Tune-1557-get.log 4186 Log file, useful mostly for debugging
Tune-15570-get.log 1386 Log file, useful mostly for debugging
Tune-15571-get.log 1255 Log file, useful mostly for debugging
Tune-15574-get.log 1375 Log file, useful mostly for debugging
Tune-15575-BotCDaSS.abc 145 ABC music file with the extracted tune(s)
Tune-15575-BotCDaSS.ps 6 PostScript
Tune-15575-BotCDaSS.txt 145 Plain-text file with the extracted tune(s)
Tune-15575-get.log 4070 Log file, useful mostly for debugging
Tune-15578-get.log 1386 Log file, useful mostly for debugging
These files should be available for 24 hours.