Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/hdr/JamesJohnson_ScotsMusicalMuseumV4-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3678-JamesJohnson_ScotsMusicalMuseumV4-V2.ps) >>/Users/jc/w/tmp/Tune-3678-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/hdr/JamesJohnson_ScotsMusicalMuseumV4-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_36788.log 320084 Log file, useful mostly for debugging
Coll_36789.log 364885 Log file, useful mostly for debugging
Tune-3678-JamesJohnson_ScotsMusicalMuseumV4-V2.abc 172 ABC music file with the extracted tune(s)
Tune-3678-JamesJohnson_ScotsMusicalMuseumV4-V2.ps 6 PostScript
Tune-3678-JamesJohnson_ScotsMusicalMuseumV4-V2.txt 172 Plain-text file with the extracted tune(s)
Tune-3678-get.log 4606 Log file, useful mostly for debugging
Tune-36780-get.log 3092 Log file, useful mostly for debugging
Tune-36781-get.log 8419 Log file, useful mostly for debugging
Tune-36783-get.log 8333 Log file, useful mostly for debugging
Tune-36785-BotCDaSS.abc 146 ABC music file with the extracted tune(s)
Tune-36785-BotCDaSS.ps 6 PostScript
Tune-36785-BotCDaSS.txt 146 Plain-text file with the extracted tune(s)
Tune-36785-get.log 3955 Log file, useful mostly for debugging
Tune-36786-get.log 3184 Log file, useful mostly for debugging
Tune-36788-get.log 13227 Log file, useful mostly for debugging
These files should be available for 24 hours.