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
Utwory: Hallelujah (Alexandra Burke) - Summertime (Leona Lewis live) - Sorry Seems to Be the Hardest Word (Leona Lewis) - That's My Goal (Shayne Ward) - A Moment Like This (Leona Lewis)

Xanadu (film)
Music from the Motion Picture (1980)
See also: Xanadu (musical), Olivia Newton-John, Cliff Richard & Electric Light Orchestra
Utwory: Xanadu (Olivia Newton-John & Electric Light Orchestra) - I'm Alive (Electric Light Orchestra) - Whenever You're Away from Me - Suspended in Time - Suddenly (Olivia Newton-John & Cliff Richard)

Charli XCX
Charlotte Aitchison
Utwory: Guess (feat. Billie Eilish) - The 360 Remix (& Robyn & Yung Lean) - 360 - Here I Go (& The Lonely Island) - The Girl, So Confusing (version with Lorde)

Yuston XIII
Utwory: L'âme du Phoenix

Xscape
Utwory: Tonight - Just Kickin' It - Keep On, Keepin' On (& MC Lyte) - My Little Secret - The Arms of the One Who Loves You

XXXTentacion
Utwory: Fuck Love (& Trippie Redd) - Again (& Noah Cyrus) - Moonlight - Look at Me! - Falling Down (& Lil Peep)