Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book14/24CountryDances_1805_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8028-24CountryDances_1805_Preston.ps) >>/Users/jc/w/tmp/Tune-8028-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book14/24CountryDances_1805_Preston.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_80288.log 159789 Log file, useful mostly for debugging
Tune-8028-24CountryDances_1805_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-8028-24CountryDances_1805_Preston.ps 6 PostScript
Tune-8028-24CountryDances_1805_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-8028-get.log 8016 Log file, useful mostly for debugging
Tune-80281-get.log 9620 Log file, useful mostly for debugging
Tune-80283-get.log 5146 Log file, useful mostly for debugging
Tune-80285-get.log 5528 Log file, useful mostly for debugging
Tune-80287-get.log 4704 Log file, useful mostly for debugging
Tune-80288-get.log 8122 Log file, useful mostly for debugging
Tune-80289-get.log 4967 Log file, useful mostly for debugging
These files should be available for 24 hours.