Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1782/JohnJohnson_ChoiceCollectionVol8-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6484-JohnJohnson_ChoiceCollectionVol8-V2.ps) >>/Users/jc/w/tmp/Tune-6484-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1782/JohnJohnson_ChoiceCollectionVol8-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_6484.log 284811 Log file, useful mostly for debugging
Coll_64847.log 168816 Log file, useful mostly for debugging
Tune-6484-JohnJohnson_ChoiceCollectionVol8-V2.abc 172 ABC music file with the extracted tune(s)
Tune-6484-JohnJohnson_ChoiceCollectionVol8-V2.ps 6 PostScript
Tune-6484-JohnJohnson_ChoiceCollectionVol8-V2.txt 172 Plain-text file with the extracted tune(s)
Tune-6484-get.log 9289 Log file, useful mostly for debugging
Tune-64840-get.log 10178 Log file, useful mostly for debugging
Tune-64841-get.log 3994 Log file, useful mostly for debugging
Tune-64842-get.log 9416 Log file, useful mostly for debugging
Tune-64843-get.log 5378 Log file, useful mostly for debugging
Tune-64844-get.log 6476 Log file, useful mostly for debugging
Tune-64848-get.log 9808 Log file, useful mostly for debugging
Tune-64849-get.log 1511 Log file, useful mostly for debugging
These files should be available for 24 hours.