Les McCann, the influential pianist known for his groove-based rhythms and expressive singing voice, began his musical journey in 1959 after leaving Gene McDaniels' employ. He signed with Pacific Jazz and later Atlantic, where he recorded iconic performances like "Compared to What?" and "Cold Duck Time." McCann's diverse style evolved from hard bop to soul-jazz, gospel, R&B, and funk, with influential albums like Invitation to Openness and Layers. Despite suffering a stroke in 1995, McCann continued to record and perform, releasing albums like Pump It Up in 2002 and A Time Les Christmas in 2018.

Born in Lexington, Kentucky in 1935, Les McCann's musical upbringing included early piano lessons and playing in the navy. He gained recognition for his unique piano style and expressive vocals, collaborating with artists like Eddie Harris and releasing acclaimed albums throughout the years. McCann's legacy continues through archival releases like Never a Dull Moment! Live from Coast to Coast 1966-1967, showcasing his mid-'60s performances at legendary venues. He passed away in 2023 at the age of 88, leaving behind a lasting impact on the world of jazz and beyond.