pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-70854-u-v.ps) >>/Users/jc/w/tmp/Tune-70854-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/atrilcoral.com/u-v.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
Form_70854.log 754 Log file, useful mostly for debugging
Tune-70854-get.log 4108 Log file, useful mostly for debugging
Tune-70854-u-v.abc 210 ABC music file with the extracted tune(s)
Tune-70854-u-v.ps 33471 PostScript
Tune-70854-u-v.txt 210 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.