Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/abc1/Hamilton_HUTB1-1844-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5476-Hamilton_HUTB1-1844-V2.ps) >>/Users/jc/w/tmp/Tune-5476-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/abc1/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
Coll_54764.log 458412 Log file, useful mostly for debugging
Tune-5476-Hamilton_HUTB1-1844-V2.abc 159 ABC music file with the extracted tune(s)
Tune-5476-Hamilton_HUTB1-1844-V2.ps 6 PostScript
Tune-5476-Hamilton_HUTB1-1844-V2.txt 159 Plain-text file with the extracted tune(s)
Tune-5476-get.log 11270 Log file, useful mostly for debugging
Tune-54760-get.log 3600 Log file, useful mostly for debugging
Tune-54763-get.log 5836 Log file, useful mostly for debugging
Tune-54764-get.log 3574 Log file, useful mostly for debugging
Tune-54766-get.log 6650 Log file, useful mostly for debugging
Tune-54767-get.log 4452 Log file, useful mostly for debugging
Tune-54768-get.log 16099 Log file, useful mostly for debugging
These files should be available for 24 hours.