Declan was raised in Oak Lawn, IL, a south suburb of Chicago. He grew up playing the piano and guitar, and began writing songs at age 14. He moved to Nashville in 2015 where he attended Belmont University, earning Bachelor of Arts degrees in Audio Engineering Technology and Mathematics in 2018. His love for music has been largely influenced by his parents, both of whom are singers, creators, and fans of John Prine. His musical inspirations also include Conor Oberst, Elliott Smith, Blake Mills, Sufjan Stevens, and Big Thief. He received his signature hat as a Christmas gift in 2018.

Originally from Chicago, Langdon Kennedy is a singer-songwriter currently based in Northern California. He has played shows in Nashville, San Francisco, Chicago and England. His full band, The Kennedy Compound, once opened for Los Lobos.