Roots of Masta Ace

David Axelrod was an American composer, arranger, and producer. After starting out as a staff producer for record companies specializing in jazz, Axelrod became known by the mid-1960s in soul and jazz circles for his recording skills. In 1968, Axelrod embarked on a solo career and released several albums during the 1970s that showcased his characteristic sound, which combined heavily microphoned drums and baroque orchestration, and avant garde themes ranging from the environment to heightened mental awareness.

Kamaal Ibn John Fareed, better known by his stage name Q-Tip, is an American rapper and record producer. Nicknamed the Abstract, he is often considered one of the most acclaimed figures in hip hop. Noted for his innovative jazz-influenced style of hip hop production and his philosophical and introspective lyrical themes, AllMusic dubbed him "the best rapper/producer in hip-hop history", and stated that he led a "jazz-based hip-hop revolution during the '90s". Several publications have ranked him amongst the greatest rappers and hip hop producers of all time, with Billboard ranking him the sixth greatest hip hop producer. In 2024, he was inducted into the Rock and Roll Hall of Fame, as a member of A Tribe Called Quest.

Ryszard "Peja" Andrzejewski is a Polish rap musician, songwriter and producer. He is best known as the frontman of the Polish rap group Slums Attack. Peja was the recipient of the Fryderyk prize in 2002. In 2001 he played a role in the documentary movie Blokersi. He has been featured in The New York Times and The Source. The Slums Attack broke up in 2016.

William Paul Mitchell, better known by the stage name of Large Professor, is an American rapper and record producer. Based in New York City, he is a founding member of the underground hip-hop group Main Source, and is credited with having discovered and mentored fellow New York City-based rapper Nas. About.com ranked Large Professor at No. 13 on its Top 25 Hip-Hop Producers list.

Blue Scholars was an American hip hop duo based in Seattle, Washington. It was formed in 2002 while the members, DJ Sabzi and MC Geologic, were students at the University of Washington.

R.A. Thorburn, better known by his stage name R.A. the Rugged Man, is an American rapper and producer. He began his music career at age 12, building a reputation locally for his lyrical skills. Thorburn signed with major label Jive Records at age 18, but his debut album, Night of the Bloody Apes, was never released.

Pedro Antonio Rojas, Jr., better known by his stage name Tonedeff, is an American rapper, producer, singer-songwriter and record executive.

Nathaniel Thomas Wilson, better known by his stage name Kool G Rap, is an American rapper. He began his career in the mid-1980s as one half of the group Kool G Rap & DJ Polo and as a member of the Juice Crew. He is widely considered to be one of the most influential and skilled MCs of all time, and a pioneer of mafioso rap/street/hardcore content and multisyllabic rhyming. On his album The Giancana Story, he stated that the "G" in his name stands for "Giancana", but on other occasions he has stated that it stands for "Genius".