She initially gained recognition as a member of the alternative hip hop collective Odd Future, and went on to co-found the band The Internet in 2011.

Her mother once aspired to be a DJ and her uncle is Mikey Bennett, an internationally popular reggae producer and studio owner from Jamaica.

"[4] When Bennett was 14, she built a small music studio in her home and worked on sound engineering before getting into production.

[3] She felt left out and had few friends at Palisades and moved to the Hamilton Music Academy, which she considered a more open-minded school.

[10] Syd was featured on Lil Uzi Vert's second studio album Eternal Atake on the song "Urgency", which was released on March 6, 2020.

On February 12, 2021, Syd released a single titled "Missing Out" followed by "Fast Car" on July 16, 2021, and "Right Track" on August 10, 2021.

Syd was credited on "Plastic Off the Sofa", the eighth track on Beyoncé's seventh studio album, Renaissance.