Ernie Haase & Signature Sound is an American Southern Gospel quartet founded in 2002 by Ernie Haase, former Cathedral Quartet tenor and Garry Jones, former Gold City pianist. As of November 2021, the group consists of Dustin Doyle (lead/baritone), Doug Anderson (lead/baritone), Paul Harkey (bass) and Ernie Haase (tenor). The group has released 32 albums and 16 DVDs, many of which feature other Christian and Gospel artists.