Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book48/ViolaRuth_AdvancedSD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4603-ViolaRuth_AdvancedSD.ps) >>/Users/jc/w/tmp/Tune-4603-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book48/ViolaRuth_AdvancedSD.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_46034.log 282927 Log file, useful mostly for debugging
Coll_46036.log 291356 Log file, useful mostly for debugging
Coll_46037.log 94716 Log file, useful mostly for debugging
Coll_46039.log 281520 Log file, useful mostly for debugging
Tune-4603-ViolaRuth_AdvancedSD.abc 159 ABC music file with the extracted tune(s)
Tune-4603-ViolaRuth_AdvancedSD.ps 6 PostScript
Tune-4603-ViolaRuth_AdvancedSD.txt 159 Plain-text file with the extracted tune(s)
Tune-4603-get.log 4282 Log file, useful mostly for debugging
Tune-46033-get.log 5779 Log file, useful mostly for debugging
Tune-46038-get.log 5664 Log file, useful mostly for debugging
These files should be available for 24 hours.