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) - Maybe It's Time (Bradley Cooper) - Is That Alright? (Lady Gaga)
ABBA
Anni-Frid Lyngstad, Agnetha Ase Fältskog, Goran Bror Benny Andersson & Björn Christian Ulvaeus
See also: Mamma Mia! (musical) & Mamma Mia! Here We Go Again

Songs: Dancing Queen - Mamma Mia - Super Trouper - Thank You For The Music - The Winner Takes It All
AC/DC
Brian Johnson, Angus Young, Malcolm Young, Cliff Williams & Phil Rudd
Songs: Highway To Hell - Back In Black - You Shook Me All Night Long - Thunderstruck - It's A Long Way To The Top (If You Wanna Rock 'n' Roll)
Ace Songs: How Long
Across The Universe
Musical film (2007)
Songs: I Want To Hold Your Hand - If I Fell (Evan Rachel Wood) - Helter Skelter (Dana Fuchs) - Let It Be - While My Guitar Gently Weeps
Adiemus Songs: Adiemus (Karl Jenkins)
Aerosmith
Steven Tyler, Joe Perry, Tom Hamilton, Brad Whitford & Joey Kramer
Songs: I Don't Want to Miss a Thing - Come Together - Walk This Way - Dream On (Short version) - Pink
Afrojack Songs: Hey (feat. Fais) - Give Me Everything Tonight (feat. Pitbull, Ne-Yo & Nayer) - Hey Mama (& David Guetta & Nicki Minaj) - Take Over Control (feat. Eva Simons) - As Your Friend (feat. Chris Brown)
Afroman
Songs: Crazy Rap (Colt 45) - Because I Got High
AJR
Songs: Sober Up (feat. Rivers Cuomo) - I'm Ready
Alabama Shakes
Brittany Howard
Songs: Don't Wanna Fight - Hold On
Alabina Songs: Alabina - Salma ya salama (Olé Y Ola) - C'est la vie (La vérité si je mens 2)
Aladdin (1992 film)
Musical film (1992) Disney
See also: Aladdin (2019 film) & Aladdin (musical)

Songs: A Whole New World (Lea Salonga & Brad Kane) - Friend Like Me (Robin Williams) - A Whole New World (Aladdin's Theme) (Peabo Bryson & Regina Belle) - Arabian Nights (Bruce Adler) - Prince Ali (Robin Williams)
Alaska Songs: ¿A quién le importa? - Bailando (& Los Pegamoides) - Ni tú ni nadie
Alice in Wonderland (1951 film) Songs: I'm Late (Bill Thompson) - In a World of My Own (Kathryn Beaumont) - Je suis en retard - Dans le monde de mes rêves (Victoria Germain)
Alle Farben Songs: Supergirl (feat. Anna Naklab & YOUNOTUS) - Vincent (Alle Farben Remix) (& Sarah Connor) - Fading (& Ilira) - Bad Ideas - Only Thing We Know (feat. Kelvin Jones & YOUNOTUS)
Lily Allen
Also known as Lily Rose Cooper
Songs: Somewhere Only We Know (John Lewis) - Fuck You - True Love (& Pink) - Chinese - Smile
Alok Songs: Hear Me Now (& Bruno Martini feat. Zeeba)
Tori Amos Songs: Crucify (LP version) - Smells Like Teen Spirit - Winter - Cornflake Girl - China (LP version)
Clark Anderson Songs: Give Me Something Real (Living Out Loud)
Anne-Marie
Anne-Marie Nicholson
Songs: Rewrite the Stars (& James Arthur) - 2002 - Friends (feat. Marshmello) - Rockabye (feat. Sean Paul & Clean Bandit) - Perfect to Me
Anouk
Anouk Teeuwe
Songs: Jerusalem - Michel - Birds (Eurovision Netherlands) - Sacrifice - Nobody's Wife
Steve Aoki Songs: Azukita (& Daddy Yankee, Play-N-Skillz & Elvis Crespo)
Arash Songs: Temptation (feat. Rebecca (Extended version))
Jann Arden
Songs: Good Mother (Single Version) - Insensitive
AronChupa Songs: I'm An Albatraoz (Nora Ekberg)
Susan Ashton Songs: The Gift (in duet with Collin Raye) - Closer
Augustana Songs: Boston
Avenue Q Songs: There's a Fine, Fine Line (Kate Monster & Lucy) - Special
Awolnation Songs: Sail