Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/RoyGoldring/GoldenBookOfFavoriteSongs1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7373-GoldenBookOfFavoriteSongs1.ps) >>/Users/jc/w/tmp/Tune-7373-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/RoyGoldring/GoldenBookOfFavoriteSongs1.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-7373-GoldenBookOfFavoriteSongs1.abc 170 ABC music file with the extracted tune(s)
Tune-7373-GoldenBookOfFavoriteSongs1.ps 6 PostScript
Tune-7373-GoldenBookOfFavoriteSongs1.txt 170 Plain-text file with the extracted tune(s)
Tune-7373-get.log 4444 Log file, useful mostly for debugging
Tune-73730-CDfNH1783.abc 150 ABC music file with the extracted tune(s)
Tune-73730-CDfNH1783.ps 6 PostScript
Tune-73730-CDfNH1783.txt 150 Plain-text file with the extracted tune(s)
Tune-73730-get.log 3998 Log file, useful mostly for debugging
Tune-73733-get.log 1704 Log file, useful mostly for debugging
Tune-73737-get.log 5779 Log file, useful mostly for debugging
These files should be available for 24 hours.