Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1800/IgnatiusSancho_MCCD_v2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5912-IgnatiusSancho_MCCD_v2.ps) >>/Users/jc/w/tmp/Tune-5912-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1800/IgnatiusSancho_MCCD_v2.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_59126.log 676812 Log file, useful mostly for debugging
Tune-5912-IgnatiusSancho_MCCD_v2.abc 159 ABC music file with the extracted tune(s)
Tune-5912-IgnatiusSancho_MCCD_v2.ps 6 PostScript
Tune-5912-IgnatiusSancho_MCCD_v2.txt 159 Plain-text file with the extracted tune(s)
Tune-5912-get.log 9707 Log file, useful mostly for debugging
Tune-59122-get.log 3769 Log file, useful mostly for debugging
Tune-59123-get.log 5980 Log file, useful mostly for debugging
Tune-59124-get.log 14772 Log file, useful mostly for debugging
Tune-59125-get.log 8945 Log file, useful mostly for debugging
Tune-59126-get.log 9262 Log file, useful mostly for debugging
Tune-59127-get.log 8606 Log file, useful mostly for debugging
Tune-59129-get.log 4444 Log file, useful mostly for debugging
These files should be available for 24 hours.