Kat DeLuna, 36
Songwriter
Lucky Daye, 38
Natti Natasha, 37
Jeremih, 36
Sara Allen, 69
Meredith Brooks, 65
Laura Marling, 34
Guru Randhawa, 32
Rebecca Ferguson, 37
Darren Korb, 40
Kara DioGuardi, 53
Samantha Fish, 35
Lisa Fischer, 65
James Morrison, 39
Keith Green, 28
Kimya Dawson, 51
Bill Callahan, 57
Tye Tribbett, 48
Liz Rose, 66
Nina Nesbitt, 29
Alline Bullock, 73
Robert Glasper, 45
Jim Peterik, 73
Patricia Vonne, 54
Guy Picciotto, 58
Just Sam, 25
Shawn Colvin, 68
Kathleen Brennan, 69
Poly Styrene, 53
Tommy Thayer, 63
Nathan Sykes, 30
Susannah Melvoin, 60
Missy Higgins, 40
Lucy Spraggan, 32
Keb' Mo', 72
David Cook, 41
