Joseph Marwa known professionally as Josephs Quartzy is a Tanzanian singer-songwriter, actor, author,and a Digital creator serving as the Chief Executive Officer of 4hills Media, notable for songs; "Promise" and "I'm a Rider", books; I Married a Dead Woman and The Power of Love also with the movies; Mission XVI (2019), Lucifer'e and the great Controversy (2020) and Mr Local Man (2019) also notable for his appearance on the 2021 Tv show, JQ Knew That. 
Born on April 16, 1999, Josephs Quartzy spent his childhood life in Kagera region in Biharamulo district where his family had moved and established permanent settlement.
Josephs started his music career back in 2017 when he re-established his musical career after he met a friend of him, Damian Addy and formed a musical group called The Eastern Bandits.
In 2019 Josephs Quartzy turned into film industry after he starred on his first ever short film, Mr. Local Man where he gained popularity playing a character 'Nhwale' 
As an author, Josephs wrote his first ever official book I Married a dead woman in 2020 as from that moment on he has authored multiple publications under his name. The Following are the official published Josephs Quartzy books; 1.I Married a dead woman: I witnessed hell 2.The Power of Love: Romeo didn't Love Juliet as I Did 3.Wonder wife
1; Best Songs of Tanzania 2017
• I'm a Rider (2021) • Ni Wewe ft. Lil Caza (2021) • I Can't Lose You ft. Sparrow360 (2021) • Kwanini mimi ft. P. Cast, Wzzy Dizzoh (2021) • N Want It ft. Sparrow360 (2021) • Promise ft. Damian Addy, The Eastern Bandits (2021) •Dear Mama2 ft. The Eastern Bandits (2020)
|Mr. Local Man||2019||Nhwale/ Writer||Main character|
|Mission XVI||2019||Captain Black/ Writer/ Director||main character|
|Lucifer'e and the great Controversy||2020||Angel Joe||Main character|
|JQ knew That||2021-||Jose/ Writer/ Director||Episode 1-20: Main character|