Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book25/24CountryDances_1801_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7037-24CountryDances_1801_Preston.ps) >>/Users/jc/w/tmp/Tune-7037-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book25/24CountryDances_1801_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_70370.log 156467 Log file, useful mostly for debugging
Coll_70376.log 275010 Log file, useful mostly for debugging
Tune-7037-24CountryDances_1801_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-7037-24CountryDances_1801_Preston.ps 6 PostScript
Tune-7037-24CountryDances_1801_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-7037-get.log 4450 Log file, useful mostly for debugging
Tune-70370-get.log 4024 Log file, useful mostly for debugging
Tune-70371-get.log 11930 Log file, useful mostly for debugging
Tune-70371-misc.abc 164 ABC music file with the extracted tune(s)
Tune-70371-misc.ps 6 PostScript
Tune-70371-misc.txt 164 Plain-text file with the extracted tune(s)
Tune-70372-get.log 4133 Log file, useful mostly for debugging
Tune-70373-get.log 7670 Log file, useful mostly for debugging
Tune-70374-get.log 4355 Log file, useful mostly for debugging
Tune-70375-get.log 5708 Log file, useful mostly for debugging
Tune-70376-get.log 5435 Log file, useful mostly for debugging
Tune-70379-get.log 6738 Log file, useful mostly for debugging
These files should be available for 24 hours.