Harry Reser (1896-1965) was an American banjoist, composer, and bandleader, primarily known for his work in the early 20th-century jazz and popular music scenes. He played a pivotal role in popularizing the banjo as a solo instrument in jazz, particularly during the 1920s and 1930s. Reser initially gained fame with the Harry Reser Orchestra and later formed the "Harry Reser and His Band," which featured notable musicians of the era. His notable works include the hit "The Girl I Love" and the instrumental "The Banjo's in the Band," showcasing his virtuosic banjo skills and innovative arrangements. He was also known for his collaborations with other artists, such as the famous singer and radio personality Bing Crosby. Beyond performance, Reser's contributions to music included numerous recordings and radio broadcasts, making him a significant figure in the transition from traditional banjo music to more modern jazz styles. His influence extended to later musicians who sought to incorporate the banjo into jazz, solidifying his legacy as a key figure in the development of American popular music.