From its formation in 2003, Ernie Haase has built Signature Sound into one of the most popular and beloved quartets in all of Southern Gospel music. The group has traveled all over the world, offering energy, excitement and encouragement through its powerful brand of gospel music. EHSS continues to gain fans all around the globe with its unique performances and unmistakable four-part harmonies. EHSS is one of the most celebrated quartets in Southern Gospel History mentioned with the same "trailblazing" reverence as groups likes The Statesmen Quartet and The Cathedral Quartet.