"Northern Califoolya" is a song by E-40, featuring B-Legit, San Quinn, Messy Marv, E-A-Ski, and Keak Da Sneak. It is an anthem dedicated to their hometown of Northern California, specifically the Bay Area. The song showcases their pride for their region and highlights the street life and hustling culture that exists there. The lyrics celebrate the toughness and resilience of the Bay Area, with references to crime, drug dealing, and gang culture. The artists boast about their success and street credibility, emphasizing their ability to survive and thrive in a challenging environment. The song also touches on the influence of Northern California on the hip-hop industry. E-40 and his collaborators recognize the impact their region has had on rap music, mentioning other famous artists from the area such as Too Short and Death Row Records. Overall, "Northern Califoolya" serves as a tribute to the Bay Area and its unique culture, showcasing the pride and loyalty E-40 and his collaborators have for their hometown.