assistant [8, 12]
background vocals [4, 9], keyboard [7-9, 12], lead vocals [9], piano [4], synthesizer [7-8, 12], vocal [7-8, 12]
engineer [7]
producer [4, 7-8, 12]
bass guitar [7-8, 12], electric bass guitar [4, 9]
engineer [7], producer [7]
additional [8, 12], engineer [8, 12], producer [4, 8]
background vocals [4, 9], guitar [4, 7-9, 12], keyboard [9], producer [9], programming [9], sampler [9], vocal [7-8, 12]
drums (drum set) [4, 7-9, 12], percussion [7-9, 12]
additional [8, 12], engineer [8, 12], producer [4, 8-9]
background vocals [9], lead vocals [4], tack piano [4], vocal [7-8, 12]
O2013