Little Walter and His Night Cats was a prominent blues band led by harmonica virtuoso Little Walter (born Marion Walter Jacobs). Known for pioneering amplified harmonica in the 1950s, Little Walter's innovative style and technique had a profound influence on future generations of blues musicians. The band's most notable work, "Juke", topped the Billboard R&B chart and remains a classic in the blues genre. Little Walter's expressive and powerful harmonica playing, coupled with his gritty vocals, characterized the unique sound of his band.