Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/William_Thomas_Green/Kauntze_CotmfD_NO.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5006-Kauntze_CotmfD_NO.ps) >>/Users/jc/w/tmp/Tune-5006-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/William_Thomas_Green/Kauntze_CotmfD_NO.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-5006-Kauntze_CotmfD_NO.abc 170 ABC music file with the extracted tune(s)
Tune-5006-Kauntze_CotmfD_NO.ps 6 PostScript
Tune-5006-Kauntze_CotmfD_NO.txt 170 Plain-text file with the extracted tune(s)
Tune-5006-get.log 4305 Log file, useful mostly for debugging
Tune-50060-Hamilton_HUTB2-1846-V2.abc 161 ABC music file with the extracted tune(s)
Tune-50060-Hamilton_HUTB2-1846-V2.pdf 2217 Portable Data Format
Tune-50060-Hamilton_HUTB2-1846-V2.ps 6 PostScript
Tune-50060-Hamilton_HUTB2-1846-V2.txt 161 Plain-text file with the extracted tune(s)
Tune-50060-get.log 5242 Log file, useful mostly for debugging
Tune-50062-get.log 5305 Log file, useful mostly for debugging
Tune-50066-get.log 1451 Log file, useful mostly for debugging
These files should be available for 24 hours.