H.U.B's Rui is out with her solo debut single, "What's to Know"!
The song is a summery dance song with a vintage sound. It has an addicting melody and the lyrics sing about a woman who's coolly going to forget the her old ex.
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Rui filmed the MV in Guam, and she's ready to bring the summer on with her cool MV and song. Check it out above!
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