He first became known in the SoundCloud rap scene for his 2017 single "Audi", which received platinum certification by the Recording Industry Association of America (RIAA).

In March of that year, he signed with Alamo and Interscope Records to release the song and his debut mixtape for which it served as lead single, Deadstar (2017), the following September.

[8] It peaked at number 42 on the Billboard 200, while his debut studio album and the mixtape's sequel, Deadstar 2 (2019) narrowly entered the chart.

[11] Speaking on his upbringing, Pineiro described himself during high school as a calm individual who surrounded himself with diverse groups of people.

He began to rap when no one bought his produced instrumentals and due to the success of several tracks on the audio distribution platform SoundCloud, Pineiro dropped out of high school in his senior year.

[13] His musical influences include Kanye West, Taking Back Sunday, Every Avenue, Young Thug, and Lucki.

[16] Pineiro eventually dropped out of high school due to his budding music career.