Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1778/IgnatiusSancho_MCCD_v1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4428-IgnatiusSancho_MCCD_v1.ps) >>/Users/jc/w/tmp/Tune-4428-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1778/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-4428-IgnatiusSancho_MCCD_v1.abc 159 ABC music file with the extracted tune(s)
Tune-4428-IgnatiusSancho_MCCD_v1.ps 6 PostScript
Tune-4428-IgnatiusSancho_MCCD_v1.txt 159 Plain-text file with the extracted tune(s)
Tune-4428-get.log 4318 Log file, useful mostly for debugging
Tune-44281-get.log 5274 Log file, useful mostly for debugging
Tune-44282-get.log 19341 Log file, useful mostly for debugging
Tune-44284-get.log 4591 Log file, useful mostly for debugging
Tune-44285-get.log 5949 Log file, useful mostly for debugging
Tune-44286-get.log 4762 Log file, useful mostly for debugging
Tune-44287-get.log 5677 Log file, useful mostly for debugging
Tune-44288-get.log 6744 Log file, useful mostly for debugging
Tune-44289-get.log 3174 Log file, useful mostly for debugging
These files should be available for 24 hours.