Director Dunham or singer Horne (4)

I believe the answer is:

lena

I believe this is a double definition.

'director dunham' is the first definition.
(I've seen this in another clue)

'singer horne' is the second definition.
(I've seen this in another clue)

(Another definition for lena that I've seen is " River of Siberia (4400 km), the world's ninth longest".)

I've seen this clue in the Newsday.

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