Cor Veleno is an Italian hardcore hip hop music group, made up of the producer DJ Squarta and rappers Grandi Numeri and Primo Brown, the latter of whom died in 2016.

[2] The first nucleus of the collective was born in 1993 made up of Primo Brown and Grandi Numeri who play at the Zulu Party, a Roman hip hop event held at the Palladium festival.

[3] Primo Brown, Grandi Numeri and Detor (DJ and composer of the first beats of the group, which Squarta later took over), released in 1998 their first single, 21 Tyson, in the mixtape La banda der trucido.

[6] In the same period Bomboclat was also released, published under the name Primo & DJ Squarta and which was attended by Grandi Numeri, Amir, Danno (Colle der Fomento), the Club Dogo, Turi and Tormento.

For the first time, Italian hip hop participates in this event and Cor Veleno tread the same stage as artists such as Saïan Supa Crew, Dilated Peoples, Smif-n-Wessun and Nas.

[9] In 2008 the second album by Primo & Squarta was released, Leggenda for Cor Veleno Records, in which Grandi Numeri, Amir, MadBuddy, Cico (ex-members of Roy Paci & Aretuska) and Ibbanez took part.