Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Tunes/Rutherford_Compleat_Collection_V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5510-Rutherford_Compleat_Collection_V2.ps) >>/Users/jc/w/tmp/Tune-5510-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Tunes/Rutherford_Compleat_Collection_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-5510-Rutherford_Compleat_Collection_V2.abc 171 ABC music file with the extracted tune(s)
Tune-5510-Rutherford_Compleat_Collection_V2.ps 6 PostScript
Tune-5510-Rutherford_Compleat_Collection_V2.txt 171 Plain-text file with the extracted tune(s)
Tune-5510-get.log 13292 Log file, useful mostly for debugging
Tune-55101-get.log 4352 Log file, useful mostly for debugging
Tune-55102-get.log 5833 Log file, useful mostly for debugging
Tune-55103-get.log 4513 Log file, useful mostly for debugging
Tune-55104-get.log 7899 Log file, useful mostly for debugging
Tune-55105-get.log 4432 Log file, useful mostly for debugging
Tune-55107-get.log 4324 Log file, useful mostly for debugging
Tune-55109-get.log 4449 Log file, useful mostly for debugging
These files should be available for 24 hours.