X Ambassadors
Songs: Blinding Lights - Unsteady - Boom - Renegades - Jungle (Remix) (& Jay-Z)

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
Songs: Hallelujah (Alexandra Burke) - You'll Never Walk Alone (Ray Quinn) - A Moment Like This (Leona Lewis) - Somewhere Over The Rainbow (Shayne Ward) - When You Believe (Leon Jackson)

Xanadu (film)
Soundtrack (1980)
Siehe auch: Xanadu (musical), Olivia Newton-John, Cliff Richard & Electric Light Orchestra
Songs: Xanadu (Olivia Newton-John & Electric Light Orchestra) - Suddenly (Olivia Newton-John & Cliff Richard) - All Over the World (Electric Light Orchestra) - I'm Alive (Electric Light Orchestra) - Whenever You're Away from Me

Charli XCX
Charlotte Aitchison
Songs: I Love It (& Icona Pop) - Boom Clap (The Fault In Our Stars) - Von Dutch - Guess (feat. Billie Eilish) - Talk Talk (feat. Troye Sivan)

Xutos & Pontapés
Songs: A minha casinha - Não sou o Único - Contentores