Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/dmoi/JamesJohnson_ScotsMusicalMuseumV4-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5849-JamesJohnson_ScotsMusicalMuseumV4-V2.ps) >>/Users/jc/w/tmp/Tune-5849-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/dmoi/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
Tune-5849-JamesJohnson_ScotsMusicalMuseumV4-V2.abc 173 ABC music file with the extracted tune(s)
Tune-5849-JamesJohnson_ScotsMusicalMuseumV4-V2.ps 6 PostScript
Tune-5849-JamesJohnson_ScotsMusicalMuseumV4-V2.txt 173 Plain-text file with the extracted tune(s)
Tune-5849-get.log 4610 Log file, useful mostly for debugging
Tune-58492-Glen2.abc 144 ABC music file with the extracted tune(s)
Tune-58492-Glen2.ps 6 PostScript
Tune-58492-Glen2.txt 144 Plain-text file with the extracted tune(s)
Tune-58492-get.log 3900 Log file, useful mostly for debugging
Tune-58493-SCD_Book49-V2.abc 153 ABC music file with the extracted tune(s)
Tune-58493-SCD_Book49-V2.ps 6 PostScript
Tune-58493-SCD_Book49-V2.txt 153 Plain-text file with the extracted tune(s)
Tune-58493-get.log 4195 Log file, useful mostly for debugging
These files should be available for 24 hours.