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) - Look What I Found (Lady Gaga) - Alibi (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: Dancing Queen - Mamma Mia - Thank You For The Music - Waterloo - ABBA Medley
Abel Songs: Onderweg
AC/DC
Brian Johnson, Angus Young, Malcolm Young, Cliff Williams & Phil Rudd
Songs: Highway To Hell - You Shook Me All Night Long - Back In Black - Thunderstruck - T.N.T
Ace Songs: How Long
Adelén Songs: Bombo (Eurovision - Norway)
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 - Dream On (Short version) - Cryin' - Walk This Way - Walk This Way (duet) (& Run-DMC)
Africanism All Stars Songs: Zookey (Lift Your Leg Up) (feat. Yves La Rock)
Afrojack
Songs: Give Me Everything Tonight (feat. Pitbull, Ne-Yo & Nayer) - Hey Mama (& David Guetta & Nicki Minaj) - The Spark (feat. Spree Wilson) - Hey (feat. Fais) - As Your Friend (feat. Chris Brown)
Afroman Songs: Crazy Rap (Colt 45) - Because I Got High
Aggro Santos Songs: Like U Like (feat. Kimberley Walsh) - Candy (feat. Kimberly Wyatt)
Air Songs: All I Need
AJR Songs: Sober Up (feat. Rivers Cuomo) - I'm Ready
Alabina Songs: Alabina - Salma ya salama (Olé Y Ola) - C'est la vie (La vérité si je mens 2) - Lololé (Don't Let Me Be Misunderstood)
Aladdin
Musical film (1992) Disney
See also: Aladdin (Musical)

Songs: A Whole New World (Aladdin's Theme) (Peabo Bryson & Regina Belle) - Arabian Nights (Bruce Adler) - Prince Ali (Robin Williams) - Ein Traum wird wahr (Sabine Hettlich & Peter Fessler) - Prince Ali (version française)
Alderliefste Songs: Laat Me / Vivre (& Ramses Shaffy & Liesbeth List)
L'Algérino Songs: Va bene (feat. Kore)
Aliose Songs: Loin
Alle Farben Songs: Only Thing We Know (feat. Kelvin Jones & Younotus) - Bad Ideas - Supergirl (feat. Anna Naklab & Younotus) - Please Tell Rosie (feat. Younotus) - Little Hollywood
Lily Allen
Also known as Lily Rose Cooper
Songs: Somewhere Only We Know (John Lewis) - Fuck You - Not Fair - Smile - Dream A Little Dream (& Robbie Williams)
Rick Allison Songs: Evidemment (in duet with Lara Fabian)
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 - Friends (feat. Marshmello) - 2002 (Acoustic) - Rockabye (feat. Sean Paul & Clean Bandit) - Let Me Live (& Major Lazer, Rudimental & Mr Eazi)
Steve Aoki Songs: Azukita (& Daddy Yankee, Play-N-Skillz & Elvis Crespo)
Arash Songs: Temptation (feat. Rebecca (Extended version))
Arjon Songs: Schudden (feat. DJ Nelis) - Zakka zakka (feat. DJ Willem de Wijs & Feest DJ Bas)
Ricardo Arjona Songs: Fuiste tú (feat. Gaby Moreno) - Como duele - Quién - Quiero - Mojado
Nora Arnezeder Songs: Loin de Paname (París, París & Faubourg 36)
AronChupa Songs: I'm An Albatraoz (Nora Ekberg)
Art Of Noise
Songs: Kiss (feat. Tom Jones)
Marc Aryan Songs: Katy
Natacha Atlas Songs: Mon amie la rose (Single Version)
Audioslave
Chris Cornell, Tom Morello, Tim Commerford & Brad Wilk
Songs: I Am the Highway - Like a Stone - Cochise - Be Yourself - Doesn't Remind Me
Augustana Songs: Boston
Avenue Q
The musical
Songs: There's a Fine, Fine Line (Kate Monster & Lucy) - Special
Awolnation Songs: Sail