Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM1/Hamilton_HUTB1-1844-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3244-Hamilton_HUTB1-1844-V2.ps) >>/Users/jc/w/tmp/Tune-3244-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MM1/Hamilton_HUTB1-1844-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-3244-Hamilton_HUTB1-1844-V2.abc 158 ABC music file with the extracted tune(s)
Tune-3244-Hamilton_HUTB1-1844-V2.ps 6 PostScript
Tune-3244-Hamilton_HUTB1-1844-V2.txt 158 Plain-text file with the extracted tune(s)
Tune-3244-get.log 5675 Log file, useful mostly for debugging
Tune-32448-BB50.abc 141 ABC music file with the extracted tune(s)
Tune-32448-BB50.ps 6 PostScript
Tune-32448-BB50.txt 141 Plain-text file with the extracted tune(s)
Tune-32448-get.log 3988 Log file, useful mostly for debugging
These files should be available for 24 hours.