President Russell M. Nelson, president of The Church of Jesus Christ of Latter-day Saints, smiles after playing "Silent Night" on the piano in a social media message posted on Sunday, Dec. 22, 2024.

The song might have remained a one-night wonder, but when the organ repairman Karl Mauracher arrived, he heard the song and took the sheet music home with him to Tyrol, an area known for its choirs.