pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9916-D-jig.ps) >>/Users/jc/w/tmp/Tune-9916-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/thisoldtractor.com/D-jig.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_99164.log 259149 Log file, useful mostly for debugging
Coll_99168.log 108796 Log file, useful mostly for debugging
Form_99165.log 827 Log file, useful mostly for debugging
Form_99166.log 835 Log file, useful mostly for debugging
Tune-9916-D-jig.abc 582 ABC music file with the extracted tune(s)
Tune-9916-D-jig.ps 37822 PostScript
Tune-9916-D-jig.txt 582 Plain-text file with the extracted tune(s)
Tune-9916-get.log 4408 Log file, useful mostly for debugging
Tune-99163-get.log 5218 Log file, useful mostly for debugging
Tune-99164-get.log 4083 Log file, useful mostly for debugging
Tune-99165-get.log 3298 Log file, useful mostly for debugging
Tune-99167-get.log 4638 Log file, useful mostly for debugging
Tune-99168-Est.abc 0 ABC music file with the extracted tune(s)
Tune-99168-Est.txt 0 Plain-text file with the extracted tune(s)
Tune-99168-get.log 3046 Log file, useful mostly for debugging
Tune-99169-get.log 3973 Log file, useful mostly for debugging
These files should be available for 24 hours.