Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1767/IgnatiusSancho_MCCD_v1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7383-IgnatiusSancho_MCCD_v1.ps) >>/Users/jc/w/tmp/Tune-7383-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1767/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
Coll_73835.log 147321 Log file, useful mostly for debugging
Tune-7383-IgnatiusSancho_MCCD_v1.abc 159 ABC music file with the extracted tune(s)
Tune-7383-IgnatiusSancho_MCCD_v1.ps 6 PostScript
Tune-7383-IgnatiusSancho_MCCD_v1.txt 159 Plain-text file with the extracted tune(s)
Tune-7383-get.log 4318 Log file, useful mostly for debugging
Tune-73833-get.log 1484 Log file, useful mostly for debugging
Tune-73836-get.log 5000 Log file, useful mostly for debugging
Tune-73838-get.log 8896 Log file, useful mostly for debugging
Tune-73839-get.log 4151 Log file, useful mostly for debugging
These files should be available for 24 hours.