Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book47/JamesJohnson_ScotsMusicalMuseumV5-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4948-JamesJohnson_ScotsMusicalMuseumV5-V1.ps) >>/Users/jc/w/tmp/Tune-4948-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book47/JamesJohnson_ScotsMusicalMuseumV5-V1.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_49480.log 9541 Log file, useful mostly for debugging
Tune-4948-JamesJohnson_ScotsMusicalMuseumV5-V1.abc 175 ABC music file with the extracted tune(s)
Tune-4948-JamesJohnson_ScotsMusicalMuseumV5-V1.ps 6 PostScript
Tune-4948-JamesJohnson_ScotsMusicalMuseumV5-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-4948-get.log 4624 Log file, useful mostly for debugging
Tune-49480-get.log 5408 Log file, useful mostly for debugging
Tune-49481-get.log 7649 Log file, useful mostly for debugging
Tune-49482-get.log 9401 Log file, useful mostly for debugging
Tune-49483-get.log 9018 Log file, useful mostly for debugging
Tune-49484-get.log 4511 Log file, useful mostly for debugging
Tune-49485-get.log 5667 Log file, useful mostly for debugging
Tune-49486-get.log 8788 Log file, useful mostly for debugging
Tune-49488-get.log 4468 Log file, useful mostly for debugging
Tune-49489-get.log 9153 Log file, useful mostly for debugging
These files should be available for 24 hours.