Searching in a foreign table field

Hi,

  Newbie here. I've got two models, Song and Queue. The
Queue model contains foreign keys of songs. In the Admin I
want to search for song names so I did:

    class META:
        admin               = meta.Admin (
            list_display  = ('date', 'song'),
            search_fields = ('song', ),
        )

  ...but I get an exception.

Exception Type:	TypeError
Exception Value:	got unexpected keyword argument
'song__icontains'

  What am I doing wrong?

-- 
Jaime G. Wong Chacaltana
E-Mail: jjgwong.org
Web   : http://jgwong.org/

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