H.B. Barnum is an American pianist, arranger, record producer, and songwriter, notable for his contributions to the soul and R&B genres throughout the mid-20th century. Starting his career as a child prodigy, Barnum eventually became renowned for his work with notable artists such as Aretha Franklin and the Supremes. His signature sound is characterized by the integration of gospel-infused melodies and potent rhythm sections. One of his most influential works includes arranging Franklin’s hit "Respect", which has had a lasting impact on popular music.