electric bass guitar, lead vocals
arranger [1, 3, 7-11], assistant [1, 1-2, 2-3, 3-4, 4-5, 5-6, 6-7, 7-8, 8-9, 9-10, 10-11, 11]
arranger, executive, producer
guest [5-6, 9], violin [5-6, 9]
guest [5-6, 9], viola [5-6, 9]
guest [5-6, 9], violin [5-6, 9]
keyboard, piano, programming, mix, producer, recording
background vocals, guitar, arranger [2-3, 9]
membranophone
cello [5-6, 9], guest [5-6, 9]
background vocals, guitar, programming, arranger [2, 4-8, 10-11]
photography
guest [5-6, 9], violin [5-6, 9]
graphic design
arranger, strings [5-6, 9]
guest [5-6, 9], violin [5-6, 9]