Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/AB/MichaelDabney_12Minuets12Dances-1760-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5401-MichaelDabney_12Minuets12Dances-1760-V2.ps) >>/Users/jc/w/tmp/Tune-5401-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/AB/MichaelDabney_12Minuets12Dances-1760-V2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_54018.log 1339 Log file, useful mostly for debugging
Tune-5401-MichaelDabney_12Minuets12Dances-1760-V2.abc 174 ABC music file with the extracted tune(s)
Tune-5401-MichaelDabney_12Minuets12Dances-1760-V2.ps 6 PostScript
Tune-5401-MichaelDabney_12Minuets12Dances-1760-V2.txt 174 Plain-text file with the extracted tune(s)
Tune-5401-get.log 4661 Log file, useful mostly for debugging
Tune-54010-get.log 4572 Log file, useful mostly for debugging
Tune-54011-get.log 8523 Log file, useful mostly for debugging
Tune-54012-get.log 5271 Log file, useful mostly for debugging
Tune-54013-get.log 4407 Log file, useful mostly for debugging
Tune-54014-GoldenBookOfFavoriteSongs1.abc 163 ABC music file with the extracted tune(s)
Tune-54014-GoldenBookOfFavoriteSongs1.ps 6 PostScript
Tune-54014-GoldenBookOfFavoriteSongs1.txt 163 Plain-text file with the extracted tune(s)
Tune-54014-get.log 4448 Log file, useful mostly for debugging
Tune-54015-get.log 7805 Log file, useful mostly for debugging
Tune-54017-get.log 18567 Log file, useful mostly for debugging
Tune-54019-get.log 4886 Log file, useful mostly for debugging
These files should be available for 24 hours.