Lenny Kravitz – lead vocals, backing vocals (all tracks); bass (tracks 1–5, 7–10), strings (1–3), Moog (1, 2, 5, 6, 8, 10–12), 11), timpani (1), drums (2–4, 8, 9), rhythm guitar (2, 3, 7–11), claps (2, 9, 10), electric guitar (3–5, 12); electric piano, Mellotron (3); bongo drums, maracas (4); synthesizer (5, 6, 8–12), drum machine (5, 7, 10–12), cowbell (5, 8); chimes, Fender Rhodes piano (5); drum programming (6), piano (7, 9); Hammond B3 organ, sitar (7); solo guitar (9), lead guitar (10); castanets, claves (11); programming (12)
Craig Ross – rhythm guitar (tracks 1, 2, 10), electric guitar (1, 4), lead guitar (1, 8, 10), programming (1, 11), drum machine (1), solo guitar (5, 9), drums (6); 12-string guitar, acoustic guitar, tambura (11)
Alex Alvarez – programming (tracks 1, 3–11), synthesizer (2)
Harold Todd – saxophone (tracks 2, 3)
Michael Sherman – saxophone (track 3)
Trombone Shorty – trombone, trumpet (track 10)
