Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/CNS/CharlesZeuner_TremontQuadrilles2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2951-CharlesZeuner_TremontQuadrilles2.ps) >>/Users/jc/w/tmp/Tune-2951-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CNS/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_29517.log 469612 Log file, useful mostly for debugging
Tune-2951-CharlesZeuner_TremontQuadrilles2.abc 168 ABC music file with the extracted tune(s)
Tune-2951-CharlesZeuner_TremontQuadrilles2.ps 6 PostScript
Tune-2951-CharlesZeuner_TremontQuadrilles2.txt 168 Plain-text file with the extracted tune(s)
Tune-2951-get.log 4518 Log file, useful mostly for debugging
Tune-29510-get.log 3238 Log file, useful mostly for debugging
Tune-29511-get.log 4115 Log file, useful mostly for debugging
Tune-29512-get.log 5835 Log file, useful mostly for debugging
Tune-29515-get.log 4021 Log file, useful mostly for debugging
Tune-29516-get.log 5184 Log file, useful mostly for debugging
Tune-29517-get.log 4656 Log file, useful mostly for debugging
Tune-29518-get.log 4373 Log file, useful mostly for debugging
Tune-29519-get.log 9773 Log file, useful mostly for debugging
These files should be available for 24 hours.