U2
Bono, The Edge, Adam Clayton & Larry Mullen Junior
Canzoni With or Without You - I Still Haven't Found What I'm Looking For - One - One (with Mary J Blige) - Where The Streets Have No Name

UB40
Ali Campbell
Canzoni Red Red Wine - Kingston Town - (I Can't Help) Falling in Love with You - Every Breath You Take (50 First Dates) - Where Did I Go Wrong

Álex Ubago
Canzoni Sin Miedo a Nada (& La Oreja de Van Gogh) - Dime si no es amor (& OBK) - Siempre en mi mente - A gritos de esperanza - Dame tu aire

Ultimo
Canzoni Piccola Stella - L'ultima poesia (& Geolier) - I tuoi particolari - 22 Settembre

Ultra Naté
Canzoni Free

Undercover
Canzoni Baker Street

Carrie Underwood
Vedi anche: American Idol & Artists Stand Up to Cancer
Canzoni Hallelujah (& John Legend) - Little Drummer Boy - O Holy Night - Do You Hear What I Hear? - Hark! The Herald Angels Sing

Unheilig
Canzoni Zeit zu gehen - Große freiheit - Für immer - So wie du warst - Lichter der Stadt

Keith Urban
Vedi anche: The Ranch
Canzoni I Can't Stop Loving You - Stuck in the Middle with You - Somebody Like You (radio edit) - Wild Hearts - Kiss A Girl

Midge Ure
Vedi anche: Band Aid II
Canzoni The Man Who Sold the World (Party Party) - Breathe - If I Was

Uriah Heep
Canzoni Rain - Lady In Black - Stealin' - Sweet Lorraine - Gypsy

Us3
Canzoni Cantaloop (Flip Fantasia)

USA For Africa
Michael Jackson, Lionel Richie, Harry Belafonte, Quincy Jones, Kenny Rogers, Tina Turner & Diana Ross
Canzoni We Are the World

Usher
Canzoni Without You (David Guetta) - You Make Me Wanna - Yeah! (& Lil' Jon & Ludacris) - DJ Got Us Fallin' In Love (& Pitbull) - Bad Habits