Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Rare_Small/MichaelDabney_12Minuets12Dances-1760-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4007-MichaelDabney_12Minuets12Dances-1760-V2.ps) >>/Users/jc/w/tmp/Tune-4007-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Rare_Small/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
Coll_40074.log 489212 Log file, useful mostly for debugging
Tune-4007-MichaelDabney_12Minuets12Dances-1760-V2.abc 182 ABC music file with the extracted tune(s)
Tune-4007-MichaelDabney_12Minuets12Dances-1760-V2.ps 6 PostScript
Tune-4007-MichaelDabney_12Minuets12Dances-1760-V2.txt 182 Plain-text file with the extracted tune(s)
Tune-4007-get.log 21821 Log file, useful mostly for debugging
Tune-40070-get.log 21698 Log file, useful mostly for debugging
Tune-40071-get.log 8211 Log file, useful mostly for debugging
Tune-40072-get.log 3126 Log file, useful mostly for debugging
Tune-40073-get.log 13817 Log file, useful mostly for debugging
Tune-40075-get.log 5638 Log file, useful mostly for debugging
Tune-40076-get.log 12648 Log file, useful mostly for debugging
Tune-40077-get.log 13101 Log file, useful mostly for debugging
Tune-40078-get.log 4232 Log file, useful mostly for debugging
Tune-40079-get.log 15116 Log file, useful mostly for debugging
These files should be available for 24 hours.