Walrus

WALRUS, also known as Hard Roof, is a Czech artist recognized for their collaborative work with other musicians. Their sound can be described as a fusion of various genres, notably trap and electronic music. In 2025, they released several tracks such as "Masky" in collaboration with Lebman38, Pawlie Poizn, and Řáhol One, and "Dallp (PRINCE OF TRAPPIA)" alongside Chawo and Lp. Another notable release was the track "Cha Cha" with Dokkeytino.

Walrus played in Wintergarten at Sisyphos Wir Shufflen Das on 20 July 2025 and in Buk Corner at Garbicz festival 2024.