Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MMM2/Hamilton_HUTB2-1846-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9055-Hamilton_HUTB2-1846-V2.ps) >>/Users/jc/w/tmp/Tune-9055-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MMM2/Hamilton_HUTB2-1846-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-9055-Hamilton_HUTB2-1846-V2.abc 159 ABC music file with the extracted tune(s)
Tune-9055-Hamilton_HUTB2-1846-V2.ps 6 PostScript
Tune-9055-Hamilton_HUTB2-1846-V2.txt 159 Plain-text file with the extracted tune(s)
Tune-9055-get.log 4316 Log file, useful mostly for debugging
Tune-90550-get.log 3010946 Log file, useful mostly for debugging
Tune-90551-Gow4.abc 153 ABC music file with the extracted tune(s)
Tune-90551-Gow4.txt 153 Plain-text file with the extracted tune(s)
Tune-90551-get.log 3152 Log file, useful mostly for debugging
Tune-90553-CR2-abc2.abc 157 ABC music file with the extracted tune(s)
Tune-90553-CR2-abc2.pdf 2217 Portable Data Format
Tune-90553-CR2-abc2.ps 6 PostScript
Tune-90553-CR2-abc2.txt 157 Plain-text file with the extracted tune(s)
Tune-90553-get.log 4900 Log file, useful mostly for debugging
Tune-90555-get.log 4191 Log file, useful mostly for debugging
Tune-90556-get.log 5570 Log file, useful mostly for debugging
Tune-90558-get.log 5602 Log file, useful mostly for debugging
These files should be available for 24 hours.