Watch: Jack Black sings to kids at the Children's Hospital Los Angeles
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In a heartwarming video posted to The Children's Hospital Los Angeles' Facebook page, Jack Black, who we all know is not only a talented actor but musician as well, took the time to sing and dance to sick children. On March 16, the actor made a surprise appearance at the hospital in support of Make March Matter. Make March Matter's goal is to raise awareness of children's healthcare needs throughout the month of March, and local businesses and communities are stepping in to support children's health.

Black sang "Twist and Shout" and "The Lion Sleeps Tonight" to children around the hospital. You can watch the full video below.