Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/D73/24FavouriteDances_1784_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9200-24FavouriteDances_1784_Straight.ps) >>/Users/jc/w/tmp/Tune-9200-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/D73/24FavouriteDances_1784_Straight.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_92001.log 164267 Log file, useful mostly for debugging
Tune-9200-24FavouriteDances_1784_Straight.abc 167 ABC music file with the extracted tune(s)
Tune-9200-24FavouriteDances_1784_Straight.ps 6 PostScript
Tune-9200-24FavouriteDances_1784_Straight.txt 167 Plain-text file with the extracted tune(s)
Tune-9200-get.log 220307 Log file, useful mostly for debugging
Tune-92003-get.log 10792 Log file, useful mostly for debugging
Tune-92005-get.log 3904 Log file, useful mostly for debugging
Tune-92007-get.log 3228 Log file, useful mostly for debugging
Tune-92008-get.log 3534 Log file, useful mostly for debugging
Tune-92009-get.log 3706 Log file, useful mostly for debugging
These files should be available for 24 hours.