Serena Onasis Whistle Voice Higher Than Mariah Carey (VIDEO)

Serena Onasis, the girl from Jakarta, Indonesia wowed netizens when a video of her singing the classic Christmas song “O Holy Night” surfaced online. The video now circulates on Facebook and other social media. Her high notes was reported to be higher than Mariah Carey.

Watch the video below of how this girl reaches the high notes, including the impressive whistle voice.

This is her covering Maroon 5’s “Daylight.”

What do you think of her vocal prowess?