Derek McAllister Jr. (November 6, 1994 - March 4, 2014), was an American rapper and record producer from Columbia, South Carolina. McAllister was widely known in the entertainment industry by his stage name, Speaker Knockerz. He was most notable for having produced many tracks for such artists as French Montana, Gucci Mane, Lil' Scrappy, and 2 Chainz. Death On March 6, 2014, after being missing for three days, McAllister's body was found unresponsive in his garage. He was pronounced dead at 19 years old. Discography ;Albums *Married To The Money II #MTTM2 (2014) ;Mixtapes *Finesse Father (2013) *Married To The Money (2013) *#LongLiveSpeakerKnockerz (2014) ;Singles *Money (2012) *Lonely (2013) *Erica Kane (2014) *Scared Money (feat. Romiti) (2014)
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