John Mayer - Vocals, Guitars, Keyboards, Horn arrangements on track 6
Aaron Sterling - Drums, Percussion
Sean Hurley - Bass
Chuck Leavell - Keyboards on tracks 2, 3, 4, 5, 7, 9, 10 and 11
Paul Franklin - Pedal Steel Guitar on tracks 2, 9 and 11
Zane Carney - Guitar on tracks 1 and 2
Rami Jaffee - Keyboards on tracks 1 and 8
Lisa Fischer - Background Vocals on tracks 7 and 11
David Ryan Harris - Background Vocals on track 4
Bernard Fowler - Background Vocals on track 7
Frank Ocean - Wurlitzer, Vocals on track 8
Katy Perry - Vocals on track 6
Larry Williams - Tenor Saxophone, Flute, Horn arrangements on track 6
Dan Higgins - Tenor Saxophone, Flute on track 6
Gary Grant - Flugelhorn on track 6
Bill Reichenbach Jr. - Tenor Trombone, Bass Trombone, EB Alto Horn on track 6