Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1811/NorthumbrianMinstrelsy.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2028-NorthumbrianMinstrelsy.ps) >>/Users/jc/w/tmp/Tune-2028-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1811/NorthumbrianMinstrelsy.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_20282.log 146067 Log file, useful mostly for debugging
Coll_20288.log 632012 Log file, useful mostly for debugging
List20280.log 164 Log file, useful mostly for debugging
Tune-2028-NorthumbrianMinstrelsy.abc 159 ABC music file with the extracted tune(s)
Tune-2028-NorthumbrianMinstrelsy.ps 6 PostScript
Tune-2028-NorthumbrianMinstrelsy.txt 159 Plain-text file with the extracted tune(s)
Tune-2028-get.log 4318 Log file, useful mostly for debugging
Tune-20280-get.log 3214 Log file, useful mostly for debugging
Tune-20281-get.log 3672 Log file, useful mostly for debugging
Tune-20284-get.log 4540 Log file, useful mostly for debugging
Tune-20287-get.log 4909 Log file, useful mostly for debugging
These files should be available for 24 hours.