Jack Black Sings ‘School of Rock’ Song to Ailing Fan in Viral Video

Jack Black has gone viral for singing a song from School of Rock to a fan with a rare illness.

The moment took place at the Layla Paige and Friends Walk for TrinityKids Care, which Jack hosts each year to raise funds for child hospice programs in Southern California.

Fans took to Twitter to comment on the sweet moment.

lev radin