Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1780/IgnatiusSancho_MCCD_v2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4678-IgnatiusSancho_MCCD_v2.ps) >>/Users/jc/w/tmp/Tune-4678-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1780/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
Tune-4678-IgnatiusSancho_MCCD_v2.abc 159 ABC music file with the extracted tune(s)
Tune-4678-IgnatiusSancho_MCCD_v2.ps 6 PostScript
Tune-4678-IgnatiusSancho_MCCD_v2.txt 159 Plain-text file with the extracted tune(s)
Tune-4678-get.log 7806 Log file, useful mostly for debugging
Tune-46781-get.log 5053 Log file, useful mostly for debugging
Tune-46782-get.log 15614 Log file, useful mostly for debugging
Tune-46784-get.log 4482 Log file, useful mostly for debugging
Tune-46785-get.log 3706 Log file, useful mostly for debugging
Tune-46786-get.log 26352 Log file, useful mostly for debugging
Tune-46787-get.log 16250 Log file, useful mostly for debugging
Tune-46789-get.log 9447 Log file, useful mostly for debugging
These files should be available for 24 hours.