Jack Black Sings School of Rock Song to Fan With Rare Disease

Jack Black is going viral for serenading a young, sick "School of Rock" fan with a song from the movie.

Jack Black serenades fan with rare disease with School of Rock song, Jack Black, song, School of Rock

Jack Black sings legendary song to young School of Rock fan who has rare disease

WATCH: Jack Black sings 'School of Rock' song to terminally ill fan

Jack Black sings song from School of Rock to terminally ill teen

Jack Black Sings to Young School of Rock Fan with Terminal Illness: Watch

Jack Black sings song from School of Rock to terminally ill teen

Jack Black Sings 'School of Rock' Song to Young Fan Battling Rare Disease

VIDEO: Jack Black sings 'School of Rock' song to terminally ill teen

Watch Jack Black Serenade Young Fan With a 'School of Rock' Song

Jack Black Rocks Terminally Ill Teen's World With 'School of Rock' Song – Billboard

Sweet Emotion in Philadelphia as Aerosmith Starts its Farewell Tour, and Fans Dream on

Jack Black Sings School of Rock Song to Young Terminally Ill Fan