Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1794/Hamilton_HUTB1-1844-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4076-Hamilton_HUTB1-1844-V2.ps) >>/Users/jc/w/tmp/Tune-4076-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1794/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-4076-Hamilton_HUTB1-1844-V2.abc 159 ABC music file with the extracted tune(s)
Tune-4076-Hamilton_HUTB1-1844-V2.ps 6 PostScript
Tune-4076-Hamilton_HUTB1-1844-V2.txt 159 Plain-text file with the extracted tune(s)
Tune-4076-get.log 14460 Log file, useful mostly for debugging
Tune-40760-Gow-CSR3-abc2.abc 166 ABC music file with the extracted tune(s)
Tune-40760-Gow-CSR3-abc2.ps 6 PostScript
Tune-40760-Gow-CSR3-abc2.txt 166 Plain-text file with the extracted tune(s)
Tune-40760-get.log 12927 Log file, useful mostly for debugging
Tune-40761-get.log 4507 Log file, useful mostly for debugging
Tune-40762-get.log 7033 Log file, useful mostly for debugging
Tune-40765-get.log 9227 Log file, useful mostly for debugging
Tune-40766-get.log 12176 Log file, useful mostly for debugging
Tune-40768-get.log 8420 Log file, useful mostly for debugging
Tune-40769-get.log 4913 Log file, useful mostly for debugging
These files should be available for 24 hours.