Will this adapter still play my ipod nano's (7th Gen) music on a docking station alarm clock?

I just recently bought an iPod 7th Generation, but my alarm clock dock station (no known brand) has a dock that's too big for the small port. Will this adapter make it possible for the music to still be playable or is it just for charging purposes?

Lightning to 30-pin Adapter

Lightning to 30-pin Adapter

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