Vocals, Guitar – Gary Clark Jr.Written-By – Gary Lee Clark Jr.*

Vocals, Guitar – Ben Ottewell, Ian BallWritten-By – Benjamin Ottewell*, Ian Ball, Oliver Peacock*, Paul Blackburn, Thomas Gray*

Vocals, Guitar – Charlie MarsWritten-By – Charles L. Mars*

Vocals, Guitar – James MercerWritten-By – James Mercer

Bass, Backing Vocals – Chris MorrisseyDrums, Backing Vocals – Mark SteproLead Guitar, Keyboards [Keys] – Rich HinmanVocals, Guitar – Ben KwellerWritten-By – Benjamin Kweller*

Acoustic Guitar – Jesse QuinPercussion – Richard HughesPiano, Vocals – Tim Rice-OxleyVocals – Tom ChaplinWritten-By – Jesse Quin, Richard Hughes, Timothy Rice-Oxley*, Tom Chaplin

Cello, Bass – India BourneDrums – Chris Bond Vocals, Guitar – Ben Howard Written-By – Benjamin John Howard*

Vocals, Guitar – Jon Russell*, Josiah JohnsonVocals, Violin – Charity ThielenWritten-By – Charity Rose Thielen*, Christopher Shane Zasche*, Jonathan Eric Russell*, Josiah David Johnson*, Kenneth Joseph Hensley Jr.*, Robert Tyler Williams*

Bass – Peter RandallVocals, Guitar – Michael KiwanukaWritten-By – Michael Samuel Kiwanuka*

Baritone Saxophone – James KingBass – Joseph KarnesDrums – John Wicks Keyboards [Keys] – Jeremy RuzumnaVocals – Michael FitzpatrickWritten-By – Chris Seefried, Michael Fitzpatrick

Bass – Cubbie FinkDrums – Mark PontiusVocals, Guitar – Mark Foster Written-By – Mark Derek Foster*

Guitar, Vocals – Eli Maiman, Kevin RayLead Vocals, Shaker – Nicholas PetriccaPercussion, Vocals – Sean WaugamanWritten-By – Adam Reifsnyder, Adrian Galvin, Nicholas Petricca, Nicholas Lerangis*

Backing Vocals, Keyboards [Keys] – Andrew DostGuitar – Jack AntonoffVocals – Nate RuessWritten-By – Andrew Dost, Jack Antonoff, Jeff Bhasker, Nathaniel Ruess*

Bass, Vocals – Chris KuffnerGuitar, Vocals – Allie Moss, Bess RogersVocals, Piano – Ingrid MichaelsonWritten-By – Ingrid Ellen Egbert Michaelson*

Vocals, Guitar – Shawn ColvinWritten-By – John Leventhal, Shawn Colvin

Vocals, Guitar – Gary Louris, Mark Olson Written-By – Gary Louris, Mark Olson

Voice, Guitar – Ed SheeranWritten-By – Ed Sheeran

Vocals, Guitar – Selah SueWritten-By – Sanne Putseys

Bass – Danton BollerDrums – Brian Wolfe Guitar – Matt MunisteriPercussion [Auxiliary Percussion] – Chris LovejoyVocals – Kat EdmonsonWritten-By – Clarence "Sonny" Arthur Henry*

Guitar, Backing Vocals – Neal CasalPercussion – Brad PembertonVocals – Ryan AdamsWritten-By – Bradley Pemberton*, Jonathan Graboff*, Neal Casal, Ryan Adams

Vocals, Guitar – Jack JohnsonWritten-By – Jack Hody Johnson*

Bass, Backing Vocals – Paul Bryan Guitar, Backing Vocals – Julian CoryellKeyboards – Jebin BruniVocals, Guitar – Aimee MannWritten-By – Aimee Mann

Vocals, Keyboards – David GrayWritten-By – David Gray

Vocals, Piano – Sarah McLachlanWritten-By – Pierre Marchand, Sarah McLachlan

Vocals, Guitar – Bob SchneiderWritten-By – Robert Linwood Schneider*

Guitar, Vocals – Javier DunnPercussion, Vocals – Josh DayVocals, Piano – Sara BareillesWritten-By – Sara Bareilles

Guitar, Backing Vocals – Christopher Walla*Vocals, Guitar – Benjamin Gibbard*Written-By – Benjamin Gibbard*, Christopher Walla*

Bass – Rob Pope*Drums – Jim EnoPiano, Vocals – Eric HarveyVocals, Guitar – Britt DanielWritten-By – Derek Vockins, Julian Tepper, Maxfield Tepper*

Backing Vocals – Nayanna Holley, Stephanie AlexanderDrums – Victor IndrizzoGuitar, Vocals – Chris Bruce, Doyle Bramhall IIKeyboards – Jeff BabkoPercussion – Justin StanleyTenor Saxophone – Shelley CarrolTrumpet – Ephriam Owens*Vocals, Guitar – Sheryl CrowWritten-By – Doyle Bramhall II, Justin Stanley, Sheryl Crow

Cello – Vyvienne LongVocals – Lisa HanniganVocals, Guitar – Damien RiceWritten-By – Damien George Rice*

Bass – Chris Thomas*Vocals, Guitar – Ray LaMontagneWritten-By – Ray LaMontagne

Vocals, Guitar – Kris KristoffersonWritten-By – Kris Kristofferson

Bass – Lee AlexanderGuitar – Adam LevyVocals, Piano – Norah JonesWritten-By – Lee Alexander

Cello – John Hagen Fiddle – Gene EldersGuitar – Mitch WatkinsVocals, Guitar – Lyle LovettWritten-By – Lyle Lovett

Bass – Richard Price Drums – Fran BreenGuitar – John Jackson , Kenny Vaughan Guitar, Vocals – Jim LauderdaleOrgan [B3 Organ] – Randy LeagoVocals, Guitar – Charlie Sexton, Lucinda WilliamsWritten-By – Lucinda Gayl Williams*

Bass – Rob SquiresDrums – Brian Nevin Guitar, Vocals – Todd Park MohrKeyboards – Jeremy LawtonWritten-By – Todd Mohr*

Vocals, Guitar – Ryan BinghamWritten-By – Ryan Bingham

Vocals, Guitar – Steve EarleWritten-By – Steve Earle

Guitar, Backing Vocals – Neal CasalPercussion – Brad PembertonVocals, Guitar – Ryan AdamsWritten-By – Ryan Adams