Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Stewart/Riddell/tmp/Tune-62749-alltunes.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2290-Tune-62749-alltunes.ps) >>/Users/jc/w/tmp/Tune-2290-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Stewart/Riddell/tmp/Tune-62749-alltunes.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-2290-Tune-62749-alltunes.abc 171 ABC music file with the extracted tune(s)
Tune-2290-Tune-62749-alltunes.ps 6 PostScript
Tune-2290-Tune-62749-alltunes.txt 171 Plain-text file with the extracted tune(s)
Tune-2290-get.log 4345 Log file, useful mostly for debugging
Tune-22900-get.log 19466 Log file, useful mostly for debugging
Tune-22901-get.log 12712 Log file, useful mostly for debugging
Tune-22903-get.log 5491 Log file, useful mostly for debugging
Tune-22904-get.log 7489 Log file, useful mostly for debugging
Tune-22905-get.log 9893 Log file, useful mostly for debugging
Tune-22907-get.log 3464 Log file, useful mostly for debugging
Tune-22909-get.log 4828 Log file, useful mostly for debugging
These files should be available for 24 hours.