Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Fredin/CharlesZeuner_TremontQuadrilles2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3504-CharlesZeuner_TremontQuadrilles2.ps) >>/Users/jc/w/tmp/Tune-3504-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Fredin/CharlesZeuner_TremontQuadrilles2.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_35048.log 1540935 Log file, useful mostly for debugging
Tune-3504-CharlesZeuner_TremontQuadrilles2.abc 171 ABC music file with the extracted tune(s)
Tune-3504-CharlesZeuner_TremontQuadrilles2.ps 6 PostScript
Tune-3504-CharlesZeuner_TremontQuadrilles2.txt 171 Plain-text file with the extracted tune(s)
Tune-3504-get.log 4542 Log file, useful mostly for debugging
Tune-35040-get.log 11788 Log file, useful mostly for debugging
Tune-35041-get.log 4481 Log file, useful mostly for debugging
Tune-35042-get.log 7962 Log file, useful mostly for debugging
Tune-35043-get.log 21172 Log file, useful mostly for debugging
Tune-35045-get.log 12771 Log file, useful mostly for debugging
Tune-35046-get.log 8931 Log file, useful mostly for debugging
Tune-35047-get.log 5708 Log file, useful mostly for debugging
Tune-35048-get.log 3506 Log file, useful mostly for debugging
Tune-35049-get.log 4481 Log file, useful mostly for debugging
These files should be available for 24 hours.