Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1762/24NewCotillons_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2363-24NewCotillons_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-2363-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1762/24NewCotillons_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
Form_23632.log 963 Log file, useful mostly for debugging
Form_23638.log 988 Log file, useful mostly for debugging
Tune-2363-24NewCotillons_1770_Longman.abc 164 ABC music file with the extracted tune(s)
Tune-2363-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-2363-24NewCotillons_1770_Longman.txt 164 Plain-text file with the extracted tune(s)
Tune-2363-get.log 4423 Log file, useful mostly for debugging
Tune-23633-get.log 3729 Log file, useful mostly for debugging
Tune-23635-get.log 4477 Log file, useful mostly for debugging
These files should be available for 24 hours.