Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/_/ViolaRuth_PWFT.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7258-ViolaRuth_PWFT.ps) >>/Users/jc/w/tmp/Tune-7258-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/_/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_72583.log 1539466 Log file, useful mostly for debugging
Coll_72587.log 288545 Log file, useful mostly for debugging
Tune-7258-ViolaRuth_PWFT.abc 148 ABC music file with the extracted tune(s)
Tune-7258-ViolaRuth_PWFT.ps 6 PostScript
Tune-7258-ViolaRuth_PWFT.txt 148 Plain-text file with the extracted tune(s)
Tune-7258-get.log 8493 Log file, useful mostly for debugging
Tune-72581-get.log 5183 Log file, useful mostly for debugging
Tune-72583-get.log 9878 Log file, useful mostly for debugging
Tune-72584-get.log 5416 Log file, useful mostly for debugging
Tune-72585-get.log 4608 Log file, useful mostly for debugging
These files should be available for 24 hours.