pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-16912-Scotland_the_Brave_Song-D-32-4w8.ps) >>/Users/jc/w/tmp/Tune-16912-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/song/Scotland_the_Brave_Song-D-32-4w8.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-16912-Scotland_the_Brave_Song-D-32-4w8.abc 1582 ABC music file with the extracted tune(s)
Tune-16912-Scotland_the_Brave_Song-D-32-4w8.ps 42133 PostScript
Tune-16912-Scotland_the_Brave_Song-D-32-4w8.txt 1582 Plain-text file with the extracted tune(s)
Tune-16912-get.log 4833 Log file, useful mostly for debugging
These files should be available for 24 hours.