German band headed by Frank Peterson that performs Gregorian chant-inspired versions of modern pop and rock songs. The band features both vocal harmony and instrumental accompaniment. They competed in Unser Lied für Stockholm, the German national selection for the Eurovision Song Contest 2016, and placed 5th in the first round of public voting with the song "Masters of Chant", failing to make the Top 3 with 9.06% of the public vote
