Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1758/Hamilton_HUTB1-1844-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4083-Hamilton_HUTB1-1844-V1.ps) >>/Users/jc/w/tmp/Tune-4083-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1758/Hamilton_HUTB1-1844-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-4083-Hamilton_HUTB1-1844-V1.abc 159 ABC music file with the extracted tune(s)
Tune-4083-Hamilton_HUTB1-1844-V1.ps 6 PostScript
Tune-4083-Hamilton_HUTB1-1844-V1.txt 159 Plain-text file with the extracted tune(s)
Tune-4083-get.log 4318 Log file, useful mostly for debugging
Tune-40830-get.log 3489 Log file, useful mostly for debugging
Tune-40836-get.log 5930 Log file, useful mostly for debugging
Tune-40838-get.log 66652 Log file, useful mostly for debugging
Tune-40839-24CountryDances_1812_JGray.abc 169 ABC music file with the extracted tune(s)
Tune-40839-24CountryDances_1812_JGray.pdf 2217 Portable Data Format
Tune-40839-24CountryDances_1812_JGray.ps 6 PostScript
Tune-40839-24CountryDances_1812_JGray.txt 169 Plain-text file with the extracted tune(s)
Tune-40839-get.log 11008 Log file, useful mostly for debugging
These files should be available for 24 hours.