Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Sources.html/Kerr_MM2-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7096-Kerr_MM2-V2.ps) >>/Users/jc/w/tmp/Tune-7096-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Sources.html/Kerr_MM2-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-7096-Kerr_MM2-V2.abc 156 ABC music file with the extracted tune(s)
Tune-7096-Kerr_MM2-V2.ps 6 PostScript
Tune-7096-Kerr_MM2-V2.txt 156 Plain-text file with the extracted tune(s)
Tune-7096-get.log 4133 Log file, useful mostly for debugging
Tune-70960-JohnJohnson_ChoiceCollectionVol8-VMP.abc 189 ABC music file with the extracted tune(s)
Tune-70960-JohnJohnson_ChoiceCollectionVol8-VMP.ps 6 PostScript
Tune-70960-JohnJohnson_ChoiceCollectionVol8-VMP.txt 189 Plain-text file with the extracted tune(s)
Tune-70960-get.log 9090 Log file, useful mostly for debugging
Tune-70961-get.log 4353 Log file, useful mostly for debugging
Tune-70964-get.log 5828 Log file, useful mostly for debugging
Tune-70968-get.log 12256 Log file, useful mostly for debugging
Tune-70969-get.log 3584 Log file, useful mostly for debugging
These files should be available for 24 hours.