arranger [10]
mix [10], recording [10]
keyboard [8]
bass guitar [10]
background vocals [10], drum machine [10], keyboard [10]
mastering
drum machine [10]
mix [1-9, 11]
vocal [9]
guitar [10], vocal [7]
bass guitar [5, 9]
guitar [1, 8]
drum machine [10], guitar [10], keyboard [10]
trumpet [4]
drums (drum set) [1, 8]
recording, bass guitar [4], drum machine [3-4, 9], guitar [1-9], programming [5]
drums (drum set) [2]
electronic instruments [8], keyboard [1, 3]
assistant
recording
bass guitar [1, 8]
trombone [6]
bass guitar [2]
executive, recording, haegeum [3, 7], lead vocals [1-6, 8], producer [1-9, 11], programming [4-5], sampler [4-5, 9], vocal [7, 9-10]