4wallzz is a DJ from Poznań who got into hardcore music in 2020, inspired by intense parties and her collection of hyperpop tracks on SoundCloud. In March 2021, she bought her dream DDJ-400 and began experimenting with music. Her stage debut took place in July 2021, and by 2022 she had conquered Berlin, becoming a resident at Gabber Industries Berlin, which opened doors for her to perform across Europe. 4wallzz delivers dynamic, experimental sets, mixing hyperpop, nightcore, uptempo, hardbass, and many other genres. She always emphasizes her queerness and is committed to increasing the visibility of women and LGBTQIA+ people in the music scene.