Harry Connick Jr. delivers a polished rendition of "Let There Be Peace On Earth" on his 2008 holiday album *What A Night! A Christmas Album*. As a renowned jazz and pop vocalist, Connick brings his signature smooth tone to this classic carol, blending it seamlessly with the sophisticated arrangements typical of his festive recordings. The track exemplifies his ability to reinterpret traditional Christmas standards with a modern sensibility while maintaining the song's enduring message of goodwill. This recording stands as a testament to his versatility as a performer, showcasing his skill in navigating the nuances of vocal jazz and pop within the holiday genre. It serves as a fitting addition to his discography, offering listeners a refined auditory experience that honors the original composition's legacy.