Markeyvius LaShun Cathey (born August 3, 1997), known professionally as Key Glock, is an American rapper from Memphis, Tennessee. The cousin of late fellow Memphis-based rapper Young Dolph, Cathey signed with his record label, Paper Route Empire, to release his commercial mixtape, ''Glock Season'' (2017). His debut studio album, ''Yellow Tape'' (2020), peaked at number 14 on the ''Billboard'' 200 and received gold certification by the Recording Industry Association of America (RIAA). His second album, ''Yellow Tape 2'' (2021), peaked at number seven on the chart and spawned the platinum-certified single "Ambition for Cash", as well as "Proud", which was released in the wake of Dolph's death and marked his first entry on the ''Billboard'' Hot 100. His third album, ''Glockoma 2'' (2023), spawned the sleeper hit single "Let's Go"—his second entry on the chart.
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