Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1812/CaledonianCountryDances.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7264-CaledonianCountryDances.ps) >>/Users/jc/w/tmp/Tune-7264-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1812/CaledonianCountryDances.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-38186-Tune-72643-Pat_ShawsPinewoods.abc 181 ABC music file with the extracted tune(s)
Tune-38186-Tune-72643-Pat_ShawsPinewoods.txt 181 Plain-text file with the extracted tune(s)
Tune-7264-CaledonianCountryDances.abc 160 ABC music file with the extracted tune(s)
Tune-7264-CaledonianCountryDances.ps 6 PostScript
Tune-7264-CaledonianCountryDances.txt 160 Plain-text file with the extracted tune(s)
Tune-7264-get.log 4337 Log file, useful mostly for debugging
Tune-72643-get.log 3460 Log file, useful mostly for debugging
Tune-72644-get.log 5470 Log file, useful mostly for debugging
Tune-72646-get.log 11323 Log file, useful mostly for debugging
Tune-72649-get.log 8995 Log file, useful mostly for debugging
Tune-96792-Tune-72643-Pat_ShawsPinewoods.abc 181 ABC music file with the extracted tune(s)
Tune-96792-Tune-72643-Pat_ShawsPinewoods.ps 6 PostScript
Tune-96792-Tune-72643-Pat_ShawsPinewoods.txt 181 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.