Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1771/JeanWhite_HRJCD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5316-JeanWhite_HRJCD.ps) >>/Users/jc/w/tmp/Tune-5316-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1771/JeanWhite_HRJCD.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_5316.log 2277240 Log file, useful mostly for debugging
Tune-5316-JeanWhite_HRJCD.abc 152 ABC music file with the extracted tune(s)
Tune-5316-JeanWhite_HRJCD.ps 6 PostScript
Tune-5316-JeanWhite_HRJCD.txt 152 Plain-text file with the extracted tune(s)
Tune-5316-get.log 4171 Log file, useful mostly for debugging
Tune-53162-get.log 5422 Log file, useful mostly for debugging
Tune-53164-20432_Last_Rose_of_Summer-001.svg 19727 Scalable Vector Graphics format
Tune-53164-20432_Last_Rose_of_Summer.abc 648 ABC music file with the extracted tune(s)
Tune-53164-20432_Last_Rose_of_Summer.txt 648 Plain-text file with the extracted tune(s)
Tune-53164-get.log 10422 Log file, useful mostly for debugging
Tune-53167-get.log 4907 Log file, useful mostly for debugging
These files should be available for 24 hours.