Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book01/HibernianMuse-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8199-HibernianMuse-V2.ps) >>/Users/jc/w/tmp/Tune-8199-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book01/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_8199.log 297960 Log file, useful mostly for debugging
Tune-8199-HibernianMuse-V2.abc 155 ABC music file with the extracted tune(s)
Tune-8199-HibernianMuse-V2.ps 6 PostScript
Tune-8199-HibernianMuse-V2.txt 155 Plain-text file with the extracted tune(s)
Tune-8199-get.log 4204 Log file, useful mostly for debugging
Tune-81990-get.log 2922 Log file, useful mostly for debugging
Tune-81993-get.log 1418 Log file, useful mostly for debugging
Tune-81997-get.log 1418 Log file, useful mostly for debugging
Tune-81998-get.log 93557 Log file, useful mostly for debugging
These files should be available for 24 hours.