Louis Mario Freese, known by his stage name B-Real, is an American rapper. Since 1991, he has been one of two lead rappers in the hip hop group Cypress Hill, along with Sen Dog. He has also been a part of the rap metal band Kush (2000–2002), the hip hop supergroup Serial Killers (2013–present) and the rap rock supergroup Prophets of Rage (2016–2019). He has released a variety of solo mixtapes, as well as two solo albums: Smoke n Mirrors (2009) and Tell You Something (2020).

Cypress Hill is an American hip hop group from South Gate, California, formed in 1988. They have sold over 20 million albums worldwide, and they have obtained multi-platinum and platinum certifications. The group has been critically acclaimed for their first five albums. They are considered to be among the main progenitors of West Coast hip hop and 1990s hip hop. All of the group members advocate for medical and recreational use of cannabis in the United States. In 2019, Cypress Hill became the first hip hop group to have a star on the Hollywood Walk of Fame.