Katy Hamm has 1 Certainty concert.

There are two artists sharing the name Certainty: 1) a Canadian Emo Punk band from London, Ontario. 2) a Thrashcore From Purwosari-Indonesia. 1) Previously Hindsight, Certainty have two albums to their name, with a highly anticipated upcoming album already completed. Having already toured the states, this band is well on their way. 2) broke up...