Carlo Mastrangelo was an American singer and songwriter, best known as a member of the popular doo-wop group, the Capris. Born on March 5, 1938, in New York City, he contributed to the group's success in the 1950s with hits like "There's a Moon Out Tonight." Mastrangelo's smooth vocal style and harmonizing skills helped define the sound of the doo-wop genre. After the group's peak, he continued to perform and remained active in the music industry, influencing future generations of artists with his work and dedication to the craft.