pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8577-72ndsFarewellToAberdeenR.ps) >>/Users/jc/w/tmp/Tune-8577-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/tastysoftware.com/abc/72ndsFarewellToAberdeenR.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-8577-72ndsFarewellToAberdeenR.abc 598 ABC music file with the extracted tune(s)
Tune-8577-72ndsFarewellToAberdeenR.ps 34707 PostScript
Tune-8577-72ndsFarewellToAberdeenR.txt 598 Plain-text file with the extracted tune(s)
Tune-8577-get.log 5263 Log file, useful mostly for debugging
These files should be available for 24 hours.