Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1758/IgnatiusSancho_CNS_v2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9537-IgnatiusSancho_CNS_v2.ps) >>/Users/jc/w/tmp/Tune-9537-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1758/IgnatiusSancho_CNS_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-9537-IgnatiusSancho_CNS_v2.abc 158 ABC music file with the extracted tune(s)
Tune-9537-IgnatiusSancho_CNS_v2.ps 6 PostScript
Tune-9537-IgnatiusSancho_CNS_v2.txt 158 Plain-text file with the extracted tune(s)
Tune-9537-get.log 4297 Log file, useful mostly for debugging
Tune-95373-cont.abc 33 ABC music file with the extracted tune(s)
Tune-95373-cont.txt 33 Plain-text file with the extracted tune(s)
Tune-95373-get.log 3073 Log file, useful mostly for debugging
Tune-95377-get.log 3580 Log file, useful mostly for debugging
Tune-95378-get.log 4589 Log file, useful mostly for debugging
These files should be available for 24 hours.