Lou Gramm, born Louis Andrew Grammatico, is an American rock vocalist and songwriter best known as the lead vocalist of the rock band "Foreigner" from 1976 to 1990, and again from 1992 to 2003. His distinctive raspy voice was instrumental in defining Foreigner's hard rock and power ballad style, contributing to the band's numerous hit singles such as "I Want to Know What Love Is" and "Cold as Ice". Gramm's significance in music history is underscored by his successful solo career, during which he produced top-charting hits like "Midnight Blue".