Si Zentner was an American trombonist and leader of one of the most popular big bands of the early 1960s, renowned for his swinging big band style that bridged the gap between the swing era and the more contemporary sounds that emerged in the latter part of the 20th century. Born Simon Hugh Zentner on June 13, 1917, in New York City, he embarked on his musical journey at a young age, sharpening his trombone skills which would eventually define his career.

Zentner's music career blossomed post-World War II, during which he served in the Army. After the war, he played with various orchestras before forming his own band in the late 1950s. Si Zentner's orchestra gained massive popularity with its vibrant, brassy sound, capturing the kinetic energy of the dance hall craze. Albums such as "Swing Fever" and "Swingin' Country" showcase his ability to blend different styles, while singles like "Put Your Head on My Shoulder" and movie themes such as "From Russia With Love" and "Warning Shot" underline his versatility. Zentner received a Grammy Award in 1962 for Best Instrumental Performance by a large jazz ensemble, which solidified his position as a notable figure in the realm of big band and swing music. His legacy is marked by an impressive array of recordings that continue to delight fans of classic big band jazz, making Si Zentner an enduring icon in the world of music.