Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1800/IgnatiusSancho_MCCD_v1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6051-IgnatiusSancho_MCCD_v1.ps) >>/Users/jc/w/tmp/Tune-6051-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1800/IgnatiusSancho_MCCD_v1.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-6051-IgnatiusSancho_MCCD_v1.abc 159 ABC music file with the extracted tune(s)
Tune-6051-IgnatiusSancho_MCCD_v1.ps 6 PostScript
Tune-6051-IgnatiusSancho_MCCD_v1.txt 159 Plain-text file with the extracted tune(s)
Tune-6051-get.log 9748 Log file, useful mostly for debugging
Tune-60511-get.log 10244 Log file, useful mostly for debugging
Tune-60512-get.log 8958 Log file, useful mostly for debugging
Tune-60515-get.log 3490 Log file, useful mostly for debugging
Tune-60516-get.log 9246 Log file, useful mostly for debugging
Tune-60517-get.log 3875 Log file, useful mostly for debugging
Tune-60519-get.log 4875 Log file, useful mostly for debugging
These files should be available for 24 hours.