Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/D82/Hamilton_Kerr_MM2-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8193-Hamilton_Kerr_MM2-V2.ps) >>/Users/jc/w/tmp/Tune-8193-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/D82/Hamilton_Kerr_MM2-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
Coll_81936.log 156512 Log file, useful mostly for debugging
Tune-8193-Hamilton_Kerr_MM2-V2.abc 156 ABC music file with the extracted tune(s)
Tune-8193-Hamilton_Kerr_MM2-V2.ps 6 PostScript
Tune-8193-Hamilton_Kerr_MM2-V2.txt 156 Plain-text file with the extracted tune(s)
Tune-8193-get.log 4268 Log file, useful mostly for debugging
Tune-81932-get.log 5814 Log file, useful mostly for debugging
Tune-81933-get.log 3998 Log file, useful mostly for debugging
Tune-81935-get.log 8730 Log file, useful mostly for debugging
Tune-81936-get.log 3214 Log file, useful mostly for debugging
Tune-81938-get.log 9427 Log file, useful mostly for debugging
Tune-81939-get.log 4537 Log file, useful mostly for debugging
These files should be available for 24 hours.