piano [1, 4-5, 7, 9-10, 12], producer [10], vocal [1, 4-5, 7, 9-10, 12]
remixer [14]
additional [1, 7, 12], other instruments [1, 7, 12], producer [3]
assistant [15]
keyboard [14]
engineer [1, 4-5, 7, 9-10, 12, 15], producer [1-3, 6, 8, 10, 12, 15]
remixer [12]
mix [15]
engineer [1, 4-5, 7, 9-10, 12, 15]
additional [15], remixer [15]
editor [13]
additional [15], remixer [15]
strings [15]
remixer [13]
keyboard [1, 12], other instruments [1, 4-5, 7, 9-10], producer [7, 12], synthesizer [1, 12]
producer [1-3, 6, 8, 10, 15]