Born In 1994, Derek McAllister Jr, also known as Speaker Knockerz or SK, was an American rapper and producer. He rose to fame in 2010, with his debut mixtape "Flight Delayed", which brought attention to his work as a producer. Since then, his beats were used by the likes of Gucci Mane, Meek Mill and several other prominent rappers. After his untimely death in 2014, the late wonderkid became a cult figure in underground rap music, mostly because artists such as NAV, A Boogie Wit Da Hoodie and others have modeled their styles according to Speaker Knockerz's influence.
Born In 1994, Derek McAllister Jr, also known as Speaker Knockerz or SK, was an American rapper and producer. He rose to fame in 2010, with his debut mixtape "Flight Delayed", which brought attention to his work as a producer. Since then, his beats were used by the likes of Gucci Mane, Meek Mill and several other prominent rappers. After his untimely death in 2014, the late wonderkid became a cult figure in underground rap music, mostly because artists such as NAV, A Boogie Wit Da Hoodie and others have modeled their styles according to Speaker Knockerz's influence.
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