Leo Protsenko, Karolina Protsenko’s two-year-old brother, is attempting to sing and play the piano for his sister. He’s really adorable.

Karolina Protsenko, a 13-year-old violinist who performs, was born to musicians on October 3, 2008, in Ukraine.

Both of her parents are musicians. She has appeared on the Ellen show and her videos on YouTube, as well as other media websites, have received well over 1 billion views.

She has two wonderful younger brothers. She hopes to perform all around the world and spread joy via her music.

Watch the video here: