ERROR OF PRINCIPLE is a rock band from Viljandi with a socially critical message. Their music, influenced by hard rock, pop, and blues rock, is characterized by energy, passion, and honesty. Every last detail—from the tempo to the lyrics—is carefully crafted during the songwriting process to ensure that the listener doesn’t miss out on either the emotion or the message of the songs.
Emma Tsirk: a passionate musical surgeon, plays the drums.
Markus Hein: bassist, plays the bass.
Rihhard Kuld: a tank on tracks, plays the guitar.
Oskar Piik: a professional thinker, plays the guitar and sings.

