Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM3/ViolaRuth_PWFT.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8017-ViolaRuth_PWFT.ps) >>/Users/jc/w/tmp/Tune-8017-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MM3/ViolaRuth_PWFT.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_80177.log 350365 Log file, useful mostly for debugging
Coll_80178.log 458553 Log file, useful mostly for debugging
Tune-8017-ViolaRuth_PWFT.abc 150 ABC music file with the extracted tune(s)
Tune-8017-ViolaRuth_PWFT.ps 6 PostScript
Tune-8017-ViolaRuth_PWFT.txt 150 Plain-text file with the extracted tune(s)
Tune-8017-get.log 4146 Log file, useful mostly for debugging
Tune-80170-get.log 1796 Log file, useful mostly for debugging
Tune-80171-get.log 4721 Log file, useful mostly for debugging
Tune-80174-get.log 1674 Log file, useful mostly for debugging
Tune-80175-get.log 4654 Log file, useful mostly for debugging
These files should be available for 24 hours.