Kalem Leo Tarrant (born February 8, 2000), known professionally as SXMPRA, is a songwriter, rapper and musician from Wellington, New Zealand.

Growing up, Tarrant was raised on rock and metal passed down from his parents, as well as his own discovery of Eminem in his early years, before finding then-underground rappers including Odd Future and Denzel Curry in his teens, before working his way backwards to pivotal 90's acts such as Three 6 Mafia.

[4][5] Since signing with US label 10K Projects, Tarrant has also released collaborations with the likes of Juicy J,[6] 1nonly,[7] Terror Reid, Pouya[8] and Jasiah.

[1][10] Tarrant's stage name, SXMPRA, references the Harry Potter spell "sectumsempra", "sectum" being a Latin verb translating as "severed”, while "sempra" is derived from the Latin word "semper," which means "continuously”.

[11] Tarrant counts artists including XXXtentacion, $UICIDEBOY$, Ghostemane and Pouya[2] as integral acts who have shaped the sound he's been refining since 2018; intertwining the energetic expression of both his respective backgrounds in rap and rock to create a crossover of sinister trap metal, gritty horrorcore, and distorted phonk music.