Song or article by those people (6)
I believe the answer is:
anthem
'song' is the definition.
(anthem is a kind of song)
'article by those people' is the wordplay.
'article' becomes 'an' (indefinite article).
'by' means one lot of letters go next to another.
'those people' becomes 'them' ('they' refers to a group of people).
'an'+'them'='ANTHEM'
'or' is the link.
(Other definitions for anthem that I've seen before include "National tune" , "Uplifting song -- the man (anag)" , "The man for a patriotic song" , "National or religious song" , "National melody" .)