Emmanuel "Manny" Klein (1908-2002) was an influential American jazz trumpeter and bandleader, recognized for his contributions to the jazz and swing genres. Born in New York City, Klein was a prominent figure in the music scene from the 1920s through the 1940s. He worked with notable bands and artists, including the Paul Whiteman Orchestra and the Benny Goodman Orchestra, showcasing his exceptional trumpet skills and improvisational prowess. Klein is perhaps best known for his work in the 1930s and 1940s, lending his talent to popular recordings and live performances. His notable works include collaborations on tracks such as "Sing, Sing, Sing" and "Stompin' at the Savoy." He also recorded extensively as a session musician, contributing to a multitude of big band and jazz recordings. Klein's impact on music is significant; he helped shape the sound of American jazz during its golden age and influenced future generations of musicians. His ability to blend classical technique with the expressive freedom of jazz set a standard for trumpet players. Klein's legacy endures through his recordings and the artists he inspired throughout his long career.