Riverside Records was founded in 1953 by producer Orrin Keepnews and pianist Bill Grauer in New York City. Initially focused on jazz, the label quickly gained prominence for its high-quality recordings and innovative approaches. Riverside became known for its roster of influential artists, including Thelonious Monk, Bill Evans, and Charles Mingus, contributing significantly to the development of modern jazz. Throughout the 1960s, Riverside expanded its catalog to include folk and blues, capturing the essence of the era's cultural shifts. The label's commitment to artistic integrity and quality production earned it a lasting reputation in the music industry. In 1964, Riverside was sold to the Concord Record Company, which continued to release previously recorded material. The legacy of Riverside Records endures, celebrated for its contributions to jazz and its role in promoting groundbreaking artists. The label remains a significant part of the history of American music, influencing generations of musicians and listeners alike.