pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3659-CapeBretonFavoriteJ.ps) >>/Users/jc/w/tmp/Tune-3659-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terrytraub.org/CapeBretonFavoriteJ.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
Coll_36594.log 260559 Log file, useful mostly for debugging
Coll_36596.log 257739 Log file, useful mostly for debugging
Coll_36599.log 128892 Log file, useful mostly for debugging
Find_36597.log 1518 Log file, useful mostly for debugging
Form_3659.log 840 Log file, useful mostly for debugging
Form_36591.log 875 Log file, useful mostly for debugging
Tune-3659-CapeBretonFavoriteJ.abc 484 ABC music file with the extracted tune(s)
Tune-3659-CapeBretonFavoriteJ.ps 34852 PostScript
Tune-3659-CapeBretonFavoriteJ.txt 484 Plain-text file with the extracted tune(s)
Tune-3659-get.log 25134 Log file, useful mostly for debugging
Tune-36592-get.log 3204 Log file, useful mostly for debugging
Tune-36594-get.log 3495 Log file, useful mostly for debugging
These files should be available for 24 hours.