Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tunes/Kerr_MM3-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3775-Kerr_MM3-V2.ps) >>/Users/jc/w/tmp/Tune-3775-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tunes/Kerr_MM3-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
Tune-3775-Kerr_MM3-V2.abc 149 ABC music file with the extracted tune(s)
Tune-3775-Kerr_MM3-V2.ps 6 PostScript
Tune-3775-Kerr_MM3-V2.txt 149 Plain-text file with the extracted tune(s)
Tune-3775-get.log 9552 Log file, useful mostly for debugging
Tune-37750-get.log 4702 Log file, useful mostly for debugging
Tune-37753-get.log 4341 Log file, useful mostly for debugging
Tune-37755-get.log 8559 Log file, useful mostly for debugging
Tune-37756-get.log 5861 Log file, useful mostly for debugging
Tune-37757-get.log 27306 Log file, useful mostly for debugging
Tune-37758-get.log 11386 Log file, useful mostly for debugging
Tune-37759-Playford_COST.abc 151 ABC music file with the extracted tune(s)
Tune-37759-Playford_COST.ps 6 PostScript
Tune-37759-Playford_COST.txt 151 Plain-text file with the extracted tune(s)
Tune-37759-get.log 4179 Log file, useful mostly for debugging
These files should be available for 24 hours.