Petruska began playing guitar at age 9.

In 2010, he won the Veszprém Street Music Festival, and the following year he toured with the orchestra for Quimby.

The music video for his song about Szent Gellért street made it to the final ranking for the first Hungarian Quarterly Clip Best Director category.

He also won the Breakthrough Award sponsored by MTVA.

[2] He again participated in A Dal, this time in the 2019 edition with the song "Help Me Out of Here".