Ella Fitzgerald was an American JAZZ singer and songwriter who is widely considered one of the greatest JAZZ vocalists of all time. Her genre of music was JAZZ, which is a style of music that originated in African American communities in the late 19th and early 20th centuries. JAZZ is characterized by its use of improvisation, syncopated rhythms, and a wide variety of musical instruments. Ella Fitzgerald's career spanned over five decades and she was known for her unique scat singing style.