Marcus Barnes is an American singer/songwriter, worship leader, and composer based in St. Louis. His musical genres include pop, contemporary worship, and classical music. With having an eclectic taste in music himself, he wanted his music to reflect that as well and not be confined to one genre. Some of his greatest musical influences include Coldplay, Charlie Puth, Kygo, Elevation Worship, Bethel Music, Brandon Lake, and Passion.

His debut worship single, “Endless Hallelujah” was released on May 19, 2023.