Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/12Minuets12Dances/OriginallyMine.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5864-OriginallyMine.ps) >>/Users/jc/w/tmp/Tune-5864-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/12Minuets12Dances/OriginallyMine.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_58641.log 277308 Log file, useful mostly for debugging
Coll_58644.log 264661 Log file, useful mostly for debugging
Coll_58649.log 517563 Log file, useful mostly for debugging
Form_58641.log 832 Log file, useful mostly for debugging
Tune-5864-OriginallyMine.abc 164 ABC music file with the extracted tune(s)
Tune-5864-OriginallyMine.ps 6 PostScript
Tune-5864-OriginallyMine.txt 164 Plain-text file with the extracted tune(s)
Tune-5864-get.log 4228 Log file, useful mostly for debugging
Tune-58644-get.log 10623 Log file, useful mostly for debugging
Tune-58647-get.log 5634 Log file, useful mostly for debugging
These files should be available for 24 hours.