Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1779/Hamilton_HUTB2-1846-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7907-Hamilton_HUTB2-1846-V2.ps) >>/Users/jc/w/tmp/Tune-7907-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1779/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
Coll_79070.log 134900 Log file, useful mostly for debugging
Tune-7907-Hamilton_HUTB2-1846-V2.abc 159 ABC music file with the extracted tune(s)
Tune-7907-Hamilton_HUTB2-1846-V2.ps 6 PostScript
Tune-7907-Hamilton_HUTB2-1846-V2.txt 159 Plain-text file with the extracted tune(s)
Tune-7907-get.log 4316 Log file, useful mostly for debugging
Tune-79072-get.log 3566 Log file, useful mostly for debugging
Tune-79073-24CountryDances_1772_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-79073-24CountryDances_1772_Thompson.pdf 2217 Portable Data Format
Tune-79073-24CountryDances_1772_Thompson.ps 6 PostScript
Tune-79073-24CountryDances_1772_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-79073-get.log 5433 Log file, useful mostly for debugging
Tune-79076-get.log 3928 Log file, useful mostly for debugging
These files should be available for 24 hours.