Alford Harrell, widely recognized as "Chicago Pete," was born in 1931 in rural Tennessee. His journey embodies the essence of the archetypal bluesman, having cultivated his singing abilities in cotton fields and churches. Raised in a devout household, gospel music and spirituals formed the cornerstone of his musical upbringing. His mother, a "sweet singer," nurtured the musical talents of her children, fostering an environment where music transcended labels. Young Alford, with his mother’s encouragement, began to explore his vocal potential, performing with groups such as his uncle's Heavenly Harmonizers.

After serving in the Korean War, Harrell settled in Detroit. From 1954 until his move to Chicago in 1959, he sang in gospel vocal groups including The Songs of Zion and The Golden Harmoneers. During this period, he briefly took up the guitar before transitioning to the bass guitar, guided by musician Robert Bester. Reflecting on the era, Pete noted, "The Fender bass was real popular," and it was a prime time to immerse himself in the vibrant blues scene that Chicago offered during the fifties and sixties.

By the late sixties, Pete had collaborated with many prominent figures in Chicago blues, including Earl Hooker, Willie Mabon, and Junior Wells. However, his most significant partnership was with Jimmy Dawkins, with whom he performed frequently at a small after-hours venue known as The Squeeze. The club, aptly named for its size, was a favorite among musicians. Other notable performances took place at the Peacock, where Pete served as a member of the house band, and the Bossa Nova Club, where the proprietor encouraged him, saying, "As long as you can keep up with that juke-box, the stage is yours." At the Bossa Nova, Pete led his group, the Live Wires, covering various popular styles and securing a second house gig.

Pete's career took a pivotal turn when he joined Junior Parker, his most significant influence, touring extensively with him until just before Parker's passing in 1971. In the early seventies, he returned to Detroit and quickly became enamored with the local music scene, which included artists like Little Mack Collins, Alberta Adams, Little Sonny, and Mr. Bo. On the advice of a friend, who suggested he capitalize on his Chicago roots, he adopted the name "Chicago Pete" and formed a new band called "The Detroiters." This ensemble typically comprised eight members, including a robust four-piece horn section, and became synonymous with his performances for nearly two decades.

The Detroiters were known for their dynamic sound, often blending uptown blues in the style of Little Milton with R&B and Motown influences. True to his foundational roots, Pete embraced a variety of musical styles, infusing his performances with energy and flair. As he transitioned from playing bass to taking center stage, Pete engaged with his audience, often stepping into the crowd to deliver sermons through his music. His shows resembled revival meetings, as audiences responded enthusiastically, waving their hands and joining him in his declaration of "Blues Power!"

With their enduring popularity, Chicago Pete and the Detroiters became a significant regional act, a testament to their longevity and impact on the blues scene.