Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book19/CharlesZeuner_TremontQuadrilles1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3748-CharlesZeuner_TremontQuadrilles1.ps) >>/Users/jc/w/tmp/Tune-3748-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book19/CharlesZeuner_TremontQuadrilles1.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-3748-CharlesZeuner_TremontQuadrilles1.abc 171 ABC music file with the extracted tune(s)
Tune-3748-CharlesZeuner_TremontQuadrilles1.ps 6 PostScript
Tune-3748-CharlesZeuner_TremontQuadrilles1.txt 171 Plain-text file with the extracted tune(s)
Tune-3748-get.log 12098 Log file, useful mostly for debugging
Tune-37480-get.log 4658 Log file, useful mostly for debugging
Tune-37481-get.log 4542 Log file, useful mostly for debugging
Tune-37483-get.log 9480 Log file, useful mostly for debugging
Tune-37484-get.log 4405 Log file, useful mostly for debugging
Tune-37485-get.log 7050 Log file, useful mostly for debugging
Tune-37486-get.log 14007 Log file, useful mostly for debugging
Tune-37487-get.log 3660 Log file, useful mostly for debugging
Tune-37488-get.log 3650 Log file, useful mostly for debugging
Tune-37489-get.log 5425 Log file, useful mostly for debugging
These files should be available for 24 hours.