Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book36/24CountryDances_1780_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1535-24CountryDances_1780_Thompson.ps) >>/Users/jc/w/tmp/Tune-1535-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book36/24CountryDances_1780_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
Tune-1535-24CountryDances_1780_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-1535-24CountryDances_1780_Thompson.ps 6 PostScript
Tune-1535-24CountryDances_1780_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-1535-get.log 12922 Log file, useful mostly for debugging
Tune-15350-get.log 5174 Log file, useful mostly for debugging
Tune-15351-get.log 5474 Log file, useful mostly for debugging
Tune-15352-get.log 3644 Log file, useful mostly for debugging
Tune-15354-get.log 5036 Log file, useful mostly for debugging
Tune-15355-get.log 11169 Log file, useful mostly for debugging
Tune-15356-get.log 7549 Log file, useful mostly for debugging
Tune-15357-get.log 4622 Log file, useful mostly for debugging
Tune-15358-get.log 4873 Log file, useful mostly for debugging
Tune-15359-get.log 7633 Log file, useful mostly for debugging
These files should be available for 24 hours.