Leo Protsenko, a 2-year-old, is attempting to sing and play the piano for his sister Karolina Protsenko. He’s adorable.

3-year-old Leo Protsenko plays piano and sings "Mary Had A Little Lamb" - YouTube

Karolina Protsenko, a 13-year-old violinist, was born on October 3rd, 2008, into a musical family in Ukraine. Her parents are skilled in playing the guitar and piano.

Her videos on platforms like YouTube have collectively garnered over 1 billion views, and she has even been featured on The Ellen Show.

She has two wonderful younger brothers. She aspires to tour the globe with her concerts, spreading joy through her music.