bass [4], guest [4]
guest [4, 8], resonator guitar [4, 8], tenor vocals [8]
mastering
baritone vocals [3], bass [6], fiddle [7], guest [2-3, 6, 6-7, 7, 13], tenor vocals [2, 6-7, 13]
baritone vocals [7, 12], guitar [1-3, 5-7, 9-13], lead vocals [3, 5, 9], tenor vocals [1, 4, 10-11]
executive
banjo [1-3, 5-7, 9-13], baritone vocals [2, 4-5, 8-9, 11], bass vocals [3, 7, 10], lead vocals [1, 3, 6, 12-13]
baritone vocals [1, 6, 13], engineer, guitar [4, 8], lead vocals [2-4, 7-8, 10-11], mandolin [1-3, 5-7, 9-13], mix, producer, tenor vocals [3, 5, 9, 12]
fiddle [4], guest [4]
art direction, design
bass [8, 12], guest [8, 12]
baritone vocals [10], bass [1-3, 5, 7, 9-11, 13]