Tony Mangiullo was born in Milan, Italy, in 1958. His musical journey began with makeshift instruments like detergent boxes and kitchen utensils between ages 3 and 5. By 14, he received his first drum set. Fascinated by Chicago Blues, he co-founded the Mean Mistreaters Blues Band in Milan. In 1978, after meeting Jr. Wells and Buddy Guy, he moved to Chicago. There, he played at iconic venues like Theresa's Lounge with legends such as John Primer and Sammy Lawhorn. He later collaborated with artists like James Scott, Big Mojo Elem, Homesick James, and Big Walter Horton. Eventually, he joined the Jimmy Rogers Blues Band. In 1984, Tony opened Rosa's Lounge, named after his mother, Rosa, who had joined him in Chicago. His journey is marked by passion, dedication, and a deep reverence for blues heritage.

Thaddeus burst upon the Chicago Blues scene in 2011. His guitar playing draws upon the Classic Chicago Blues sound. He has played with Harmonica Hinds, Eddie Taylor Jr, Willie Buck, Billy Flynn, Barrelhouse Chuck, Bob Stroger, Lil' Ed Williams, Jimmy Burns, Eddie C. Campbell, Tail Dragger.

Harlan Lee Terson has been a familiar figure on Chicago's musical landscape for 40 years, recording and touring internationally with some of Chicago's greatest blues artists. He has played bass on more than forty five recordings and jingles, two of which have been nominated for the Grammy award. He maintains a busy performing and teaching schedule, contributing his deep, steady groove to various bands and projects.

Sumito Ariyoshi, aka Ariyo is internationally recognized for his vigorous innovative piano style. He’s an accomplished arranger and sought after studio musician. He's shared the stage and toured the world with such legends as Otis Rush, Jimmy Rogers, Robert Jr. Lockwood, Eddie Shaw, Valerie Wellington, B.B.King, Albert King and Stevie Ray Vaughan. Ariyo currently is a permanent member of Billy Branch & The S.O.B.'s. Sumito Ariyoshi is a pivotal figure in the blues community, dedicated to expanding and enriching the genre's tradition while infusing it with innovative creativity. His past collaborations with renowned keyboardists such as Pinetop Perkins and Detroit Jr. demonstrate the alignment between his unique style and theirs, emphasizing his exceptional rhythmic sensibility and inventive approach to timing and melody. Through his contributions, Ariyo introduces a fresh and contemporary perspective to the traditional blues landscape championed by these respected musicians.