Formed in Mexico City in 2009, S7N started with covering songs by popular artists before releasing original music. The founding members, Mao Kanto and Guillermo García, joined by Israel Monroy, Lalo Olvera and Fabián Carreño, released the band's debut album Fearless in 2013. Its popularity catapulted S7N to success, earning it nominations at prestigious award shows like the Mexico Independent Music Awards. Some of its most popular songs are "Blackout," "Double Dealing," "Blackoustic," "Innocent Guilty" and "Bomb Maker."