Listen to How Long Has This Been Going On online. How Long Has This Been Going On is an English language song and is sung by Sarah Vaughan. How Long Has This Been Going On, from the album Cocktail Party Jazz: Doris Day, Sarah Vaughn, Rosemary Clooney, Glenn Miller, Benny Goodman, Mel Torme, Peggy Lee and More, was released in the year 2012. The duration of the song is 3:37. Download English songs online from JioSaavn.