Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/abc/Scotland/event/20190225/AdmiralNelson.abc"
X:2 not found in http://john-chambers.us/~jc/music/abc/Scotland/event/20190225/AdmiralNelson.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-11690-AdmiralNelson.ps) >>/Users/jc/w/tmp/Tune-11690-get.log 2>&1" returned status 256
Error exit status 256; here are some files to check: