Her parents' taste of music influenced her at an early age, and she was exposed to musicians such as Billy Joel, The Velvet Underground and Nirvana.

[8] Music executives from Geffen Records took notice of her due to the song's popularity, and organized a meeting with her only a month after its release.

[9] Isenberg's second single "Mind Games" became a viral hit,[6] and by November the two tracks had amassed five million streams across platforms.

[7] On March 13, 2020, Isenberg released her debut extended play, the Teenage Angst EP,[1] and changed her stage name to Renforshort.

[11] Promotion for the EP was difficult, as scheduled showcases in Toronto, New York and Los Angeles were delayed in an effort to flatten the curve against the COVID-19 pandemic.