Kristian Merrill Bush is an American singer, songwriter, and record producer. Bush is one half of the country music duo Sugarland with Jennifer Nettles, and was a member of the folk rock duo Billy Pilgrim with Andrew Hyra. In addition to his work in these two groups, Bush released one solo album, Southern Gravity, via Streamsound Records in 2015, and four solo albums via Big Machine Records, 52 ATL x BNA, 52 | In The Key Of Summer, 52 | New Blue, and 52 | This Year in 2022 and 2023. In 2023 Bush also released an EP titled Drink Happy Thoughts on his own label Songs Of The Architect.