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
Músicas: Hallelujah (Alexandra Burke) - Somewhere Over The Rainbow (Shayne Ward) - Against All Odds (Steve Brookstein) - Somewhere In The World (Altiyan Childs) - A Moment Like This (Leona Lewis)

Xanadu (film)
Trilha sonora (1980)
Veja também: Xanadu (musical), Olivia Newton-John, Cliff Richard & Electric Light Orchestra
Músicas: Suspended in Time - Dancin' (& Olivia Newton-John & The Tubes) - Don't Walk Away (Electric Light Orchestra) - Xanadu (Olivia Newton-John & Electric Light Orchestra) - Whenever You're Away from Me

Charli XCX
Charlotte Aitchison
Músicas: Sympathy Is a Knife (feat. Ariana Grande) - The Girl, So Confusing (version with Lorde) - Beg for You (& Rina Sawayama) - Talk Talk (feat. Troye Sivan) - I Love It (& Icona Pop)

Yuston XIII
Músicas: L'âme du Phoenix

XTM
Também conhecida como Xasqui Ten & Toni Ten
Músicas: Fly on the Wings of Love (& DJ Chucky & Annia)

Xutos & Pontapés
Músicas: A minha casinha - Não sou o Único - O Homem do Leme - Contentores

Xuxa
Músicas: Ilarie

XXXTentacion
Músicas: Changes - Sad! - Again (& Noah Cyrus) - Look at Me! - Falling Down (& Lil Peep)