Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Border/24CountryDances_1802_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8625-24CountryDances_1802_Thompson.ps) >>/Users/jc/w/tmp/Tune-8625-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Border/24CountryDances_1802_Thompson.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_86256.log 149967 Log file, useful mostly for debugging
Form_86259.log 884 Log file, useful mostly for debugging
Tune-8625-24CountryDances_1802_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-8625-24CountryDances_1802_Thompson.ps 6 PostScript
Tune-8625-24CountryDances_1802_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-8625-get.log 4479 Log file, useful mostly for debugging
Tune-86254-get.log 3670 Log file, useful mostly for debugging
Tune-86255-get.log 5567 Log file, useful mostly for debugging
Tune-86256-get.log 9973 Log file, useful mostly for debugging
Tune-86258-get.log 4700 Log file, useful mostly for debugging
Tune-86259-get.log 3600 Log file, useful mostly for debugging
These files should be available for 24 hours.