Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book21/24CountryDances_1800_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7351-24CountryDances_1800_Preston.ps) >>/Users/jc/w/tmp/Tune-7351-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book21/24CountryDances_1800_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
Tune-7351-24CountryDances_1800_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-7351-24CountryDances_1800_Preston.ps 6 PostScript
Tune-7351-24CountryDances_1800_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-7351-get.log 7798 Log file, useful mostly for debugging
Tune-73510-get.log 4596 Log file, useful mostly for debugging
Tune-73511-get.log 14966 Log file, useful mostly for debugging
Tune-73512-get.log 5897 Log file, useful mostly for debugging
Tune-73513-get.log 6040 Log file, useful mostly for debugging
Tune-73514-get.log 3550 Log file, useful mostly for debugging
Tune-73516-get.log 3720 Log file, useful mostly for debugging
Tune-73518-get.log 9678 Log file, useful mostly for debugging
Tune-73519-get.log 9274 Log file, useful mostly for debugging
These files should be available for 24 hours.