Nonesuch

Brad Mehldau (piano), Barbara Renner (instrument technician), Tom Korkidis (production co-ordinator)

The Black Keys

Yussef Dayes (drums), Elijah Fox (piano), Alexander Bourt (congas, percussion), Malik Venna (saxophone), Rocco Palladino (bass)

The Black Keys

Rhiannon Giddens

Le Mystère des Voix Bulgares, Nadejda Chwoineva (vocals), Tinka Pescheva (vocals), Verka Siderova (vocals), Vasilka Karadalieva (vocals), N. Karadjova (vocals), S. Nikolova (vocals), S. Petkova (vocals), Y. Taneva (vocals), Kalinka Valcheva (vocals), Paulina Gortscheva (vocals), Stoyanka Boneva (vocals),...

Rachael & Vilray

Kenny Garrett (alto saxophone), Ruggerio Boccato (percussion), Robert Hurst, III (bass), Mulgrew Miller (piano), Brian Blade (drums), Pharaoh Sanders (tenor saxophone), Bobby Hutcherson (vibes), Nedelka Echols (vocals), Kenny Garrett (piano), Susan Jolles (harp), Neil Humphrey (cello), Jonathan Gandelsman...

Rokia Traoré

Pat Metheny (slide guitar), Richard Bona (vocals), Steve Rodby (cello), Antonio Sanchez (drums), David Samuels (percussion), Gregoire Maret (harmonica), Lyle Mays (piano)