additional [2, 4, 7], background vocals [7]
guest [1, 5, 7]
additional [3], background vocals [3]
additional [1, 1-5, 5, 5-7, 7], guest [2-3, 6], performer [1, 5, 7], vocal [1, 5, 7]
art direction, booking, executive, legal representation, mastering, photography, additional [7], arranger [1, 5, 7], audio, background vocals [7], editor, engineer, instrument arranger [1, 5, 7], mix, performer [1], producer, programming, recording, sound, vocal [1-4, 6], vocal arranger [1, 5, 7]
additional [2, 4, 7], background vocals [2, 4, 7]