acoustic guitar [4], electric guitar [4]
mix [4-5], producer [4-5]
bass [1, 3, 8, 10-11], guitar [2-3, 8], guitar family [1, 9-10], keyboard [1-3, 6, 8-11], mix [1-3, 6-11], producer [1-3, 6-11], programming [1-3, 6, 8-11]
background vocals [1, 3-6, 9, 11]
mastering
mastering [5]
background vocals [1-2, 6-9]
background vocals [3], piano [7], programming [7]
keyboard [3], programming [3]
photography
graphic design
keyboard [4-5], percussion [4], programming [4-5]
background vocals [5], keyboard [4-5], programming [4-5], vocoder [5]