Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1802/Hamilton_HUTB2-1846-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5279-Hamilton_HUTB2-1846-V1.ps) >>/Users/jc/w/tmp/Tune-5279-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1802/Hamilton_HUTB2-1846-V1.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-5279-Hamilton_HUTB2-1846-V1.abc 159 ABC music file with the extracted tune(s)
Tune-5279-Hamilton_HUTB2-1846-V1.ps 6 PostScript
Tune-5279-Hamilton_HUTB2-1846-V1.txt 159 Plain-text file with the extracted tune(s)
Tune-5279-get.log 14326 Log file, useful mostly for debugging
Tune-52790-get.log 13696 Log file, useful mostly for debugging
Tune-52791-get.log 13969 Log file, useful mostly for debugging
Tune-52792-get.log 7475 Log file, useful mostly for debugging
Tune-52794-get.log 9853 Log file, useful mostly for debugging
Tune-52795-get.log 16922 Log file, useful mostly for debugging
Tune-52799-Hamilton_Kerr_MM2-V2.abc 157 ABC music file with the extracted tune(s)
Tune-52799-Hamilton_Kerr_MM2-V2.pdf 2217 Portable Data Format
Tune-52799-Hamilton_Kerr_MM2-V2.ps 6 PostScript
Tune-52799-Hamilton_Kerr_MM2-V2.txt 157 Plain-text file with the extracted tune(s)
Tune-52799-get.log 5168 Log file, useful mostly for debugging
These files should be available for 24 hours.