Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book07/24CountryDances_1792_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5765-24CountryDances_1792_Thompson.ps) >>/Users/jc/w/tmp/Tune-5765-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book07/24CountryDances_1792_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-5765-24CountryDances_1792_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-5765-24CountryDances_1792_Thompson.ps 6 PostScript
Tune-5765-24CountryDances_1792_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-5765-get.log 4479 Log file, useful mostly for debugging
Tune-57650-get.log 9533 Log file, useful mostly for debugging
Tune-57651-get.log 9411 Log file, useful mostly for debugging
Tune-57654-get.log 9914 Log file, useful mostly for debugging
Tune-57655-get.log 4126 Log file, useful mostly for debugging
Tune-57656-get.log 13570 Log file, useful mostly for debugging
Tune-57659-get.log 9733 Log file, useful mostly for debugging
These files should be available for 24 hours.