A Star is Born
Lady Gaga & Bradley Cooper
Musical film (2018)

Songs: Shallow (Lady Gaga & Bradley Cooper) - Always Remember Us This Way (Lady Gaga) - I'll Never Love Again (Lady Gaga) - Music to My Eyes (Lady Gaga & Bradley Cooper) - Maybe It's Time (Bradley Cooper)
ABBA
Anni-Frid Lyngstad, Agnetha Ase Fältskog, Goran Bror Benny Andersson & Björn Christian Ulvaeus
See also: Mamma Mia! & Mamma Mia! Here We Go Again

Songs: Mamma Mia - Dancing Queen - Gimme! Gimme! Gimme! (A Man After Midnight) - Thank You For The Music - Money, Money, Money
Abel Songs: Onderweg
AC/DC
Brian Johnson, Angus Young, Malcolm Young, Cliff Williams & Phil Rudd
Songs: Highway To Hell - Whole Lotta Rosie - Thunderstruck - You Shook Me All Night Long - It's A Long Way To The Top (If You Wanna Rock 'n' Roll)
Ace Songs: How Long
Adoro Songs: Liebe ist
Aerosmith
Steven Tyler, Joe Perry, Tom Hamilton, Brad Whitford & Joey Kramer
Songs: Dream On (Short version) - I Don't Want to Miss a Thing - Amazing - Walk This Way - Dude (Looks Like A Lady)
Afroman
Songs: Crazy Rap (Colt 45) - Because I Got High
Aggro Santos Songs: Candy (feat. Kimberly Wyatt) - Like U Like (feat. Kimberley Walsh)
Ain't Misbehavin'
Musical film (1955)
Songs: Ain't Misbehavin'
AJR Songs: Sober Up (feat. Rivers Cuomo) - I'm Ready
Al.Hy Songs: Echo
Alabina Songs: Salma ya salama (Olé Y Ola) - C'est la vie (La vérité si je mens 2) - Alabina
Aladdin
Musical film (1992) Disney
See also: Aladdin (musical)

Songs: A Whole New World (Lea Salonga & Brad Kane) - Arabian Nights (Bruce Adler) - A Whole New World (Aladdin's Theme) (Peabo Bryson & Regina Belle) - Prince Ali (Robin Williams) - Un mundo ideal (Demián Bichir & Analy)
Alaska Songs: Bailando (& Los Pegamoides) - ¿A quién le importa?
Alderliefste Songs: Laat Me / Vivre (& Ramses Shaffy & Liesbeth List)
Alle Farben Songs: Fading (& Ilira) - Supergirl (feat. Anna Naklab & Younotus) - Only Thing We Know (feat. Kelvin Jones & Younotus) - She Moves (Far Away) (feat. Graham Candy) - Bad Ideas
Lily Allen
Also known as Lily Rose Cooper
Songs: Somewhere Only We Know (John Lewis) - True Love (& Pink) - Dream A Little Dream (& Robbie Williams) - Smile - Fuck You
Alok Songs: Hear Me Now (& Bruno Martini feat. Zeeba)
Carl Anderson Songs: Friends and Lovers (in duet with Gloria Loring)
Chris Anderson Songs: Last Night (feat. DJ Robbie)
Clark Anderson Songs: Give Me Something Real (Living Out Loud)
Anne-Marie
Anne-Marie Nicholson
Songs: 2002 - Rewrite the Stars (& James Arthur) - Perfect to Me - Ciao Adios - Friends (feat. Marshmello)
Anouk Songs: Jerusalem - Nobody's Wife - Hold Me (in duet with Douwe Bob) - Dominique - Girl
Anstandslos & Durchgeknallt Songs: Egal (feat. Jasmiina)
Arjon Songs: Schudden (feat. DJ Nelis) - Zakka zakka (feat. DJ Willem de Wijs & Feest DJ Bas)
AronChupa Songs: I'm An Albatraoz (Nora Ekberg)
Marc Aryan Songs: Katy
Susan Ashton Songs: Closer - The Gift (in duet with Collin Raye)
Asia
John Wetton, Steve Howe, Carl Palmer & Geoff Downes
Songs: Only Time Will Tell - Heat Of The Moment
Natacha Atlas Songs: Mon amie la rose (Single Version)
Audioslave
Chris Cornell, Tom Morello, Tim Commerford & Brad Wilk
Songs: Cochise - Getaway Car - Like a Stone - Be Yourself - Show Me How to Live
Augustana Songs: Boston
Avenue Q Songs: There's a Fine, Fine Line (Kate Monster & Lucy) - Special
Awolnation Songs: Sail
Ayman Songs: Mein Stern