High Quality Content by WIKIPEDIA articles! "You`re Breaking My Heart" is a popular song. The song was published in 1948. Though credited to Pat Genaro and Sunny Skylar, (With acknoledgements to the owners of the copywrght in "Tis the Day") the song is just an American version of the famous Italian song `Mattinata` written by Ruggero Leoncavallo in the beginning of 20th century.