Bull Moose Jackson, born Benjamin Clarence Jackson, was an American R&B and jazz singer and saxophonist active in the mid-20th century. He was renowned for his smooth, deep vocal style and skill on the tenor saxophone. Jackson is best known for his hits like "I Love You, Yes I Do" and "Big Ten Inch Record", which are considered some of the first R&B songs to achieve crossover success on the pop charts. His blend of jazz, blues, and R&B laid the groundwork for later genres, making him a significant figure in the evolution of American popular music.