X Ambassadors
Kappaleet: Sucker for Pain - Jungle (Remix) (& Jay-Z) - Unsteady - Blinding Lights - Ahead of Myself

X Factor
Joe McElderry, Leon Jackson, Same Difference, The X Factor Finalists, Alexandra Burke, Steve Brookstein, Shayne Ward, Leona Lewis, Susan Boyle, Jedward, Maria Lawson & Cher Lloyd
Kappaleet: Hallelujah (Alexandra Burke) - Cannonball (Little Mix) - Don't Call This Love (Leon Jackson) - That's My Goal (Shayne Ward) - When You Believe (Leon Jackson)

Xanadu (film)
Musiikkia filmistä (1980)
Katso myös: Xanadu (musical), Olivia Newton-John, Cliff Richard & Electric Light Orchestra
Kappaleet: Dancin' (& Olivia Newton-John & The Tubes) - Magic (Olivia Newton-John) - Don't Walk Away (Electric Light Orchestra) - Xanadu (Olivia Newton-John & Electric Light Orchestra) - Whenever You're Away from Me

Charli XCX
Charlotte Aitchison
Kappaleet: Spring Breakers - Apple - Guess - The Girl, So Confusing (version with Lorde) - Sympathy Is a Knife

Yuston XIII
Kappaleet: L'âme du Phoenix

Xscape
Kappaleet: Tonight - Understanding - My Little Secret - The Arms of the One Who Loves You - Do You Want to

XXXTentacion
Kappaleet: Again (& Noah Cyrus) - Hope - Fuck Love (& Trippie Redd) - Changes - Falling Down (& Lil Peep)