Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM2/24NewCotillons_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4400-24NewCotillons_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-4400-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MM2/24NewCotillons_1770_Longman.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_44006.log 300211 Log file, useful mostly for debugging
Tune-4400-24NewCotillons_1770_Longman.abc 163 ABC music file with the extracted tune(s)
Tune-4400-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-4400-24NewCotillons_1770_Longman.txt 163 Plain-text file with the extracted tune(s)
Tune-4400-get.log 4415 Log file, useful mostly for debugging
Tune-44001-get.log 3168 Log file, useful mostly for debugging
Tune-44002-get.log 2808 Log file, useful mostly for debugging
Tune-44007-flowers_of_Edinburgh.abc 157 ABC music file with the extracted tune(s)
Tune-44007-flowers_of_Edinburgh.ps 6 PostScript
Tune-44007-flowers_of_Edinburgh.txt 157 Plain-text file with the extracted tune(s)
Tune-44007-get.log 4324 Log file, useful mostly for debugging
These files should be available for 24 hours.