Kacper Kolan, professionally known as proxzi is a producer, singer and songwriter, making alternative music by mixing hip-hop and trap sounds with cloud and emo-rap, experimenting with elements from other genres such as glitch trap, hyper and ambient pop.

His music is characterized by a calm, melancholic sound accompanied by spacey melodies, ambient sounds and bright vocals, including hard trap drums, creating a uniquely relaxing but emotional, dark-toned aura.