BTS Revealed To Have Collaborated With Sia On A Track For “MAP OF THE SOUL: 7”

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BTS just dropped the full tracklist for their upcoming album, “MAP OF THE SOUL: 7”. But fans quickly noticed a surprising detail to the last track, “ON”. It featured the world famous Australian singer-songwriter, Sia! The album’s title track is titled, “ON”, which plays in the middle of album at track number 11. But the last track is another version…