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

Songs: Always Remember Us This Way (Lady Gaga) - Shallow (Lady Gaga & Bradley Cooper) - I'll Never Love Again (Lady Gaga) - Look What I Found (Lady Gaga) - Music to My Eyes (Lady Gaga & Bradley Cooper)
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: Mamma Mia - Thank You For The Music - Waterloo - Dancing Queen - Slipping Through My Fingers
AC/DC
Brian Johnson, Angus Young, Malcolm Young, Cliff Williams & Phil Rudd
Songs: Highway To Hell - Shoot To Thrill - Thunderstruck - Touch Too Much - Whole Lotta Rosie
Ace Songs: How Long
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) - Come Together - Baby, Please Don't Go - Dude (Looks Like A Lady)
Afrojack Songs: Hey Mama (& David Guetta & Nicki Minaj) - Give Me Everything Tonight (feat. Pitbull, Ne-Yo & Nayer) - As Your Friend (feat. Chris Brown) - Take Over Control (feat. Eva Simons) - The Spark (feat. Spree Wilson)
Afroman Songs: Crazy Rap (Colt 45) - Because I Got High
Aggro Santos Songs: Like U Like (feat. Kimberley Walsh) - Candy (feat. Kimberly Wyatt)
Alabina Songs: Alabina - C'est la vie (La vérité si je mens 2) - Salma ya salama (Olé Y Ola) - Lololé (Don't Let Me Be Misunderstood)
L'Algérino Songs: Va bene (feat. Kore)
Alice in Chains Songs: Nutshell - Down In A Hole (Live MTV Unplugged) - Man In The Box - Would? - Rooster
Alice in Wonderland Songs: Dans le monde de mes rêves (Victoria Germain) - In a World of My Own (Kathryn Beaumont) - Je suis en retard - I'm Late (Bill Thompson)
Alle Farben Songs: Vincent (Alle Farben Remix) (& Sarah Connor) - Little Hollywood - Supergirl (feat. Anna Naklab & YOUNOTUS) - Fading (& Ilira) - She Moves (Far Away) (feat. Graham Candy)
Lily Allen
Also known as Lily Rose Cooper
Songs: Smile - Not Fair - Dream A Little Dream (& Robbie Williams) - Somewhere Only We Know (John Lewis) - LDN
Alliel Songs: Encore
Analy Songs: Reflejo (Mulan) - Un mundo ideal (& Demián Bichir)
Chris Anderson Songs: Last Night (feat. DJ Robbie)
Anouk Songs: Jerusalem - Girl - Woman - Hold Me (in duet with Douwe Bob) - Birds (Eurovision Netherlands)
Jann Arden Songs: Insensitive - Good Mother (Single Version)
AronChupa Songs: I'm An Albatraoz (Nora Ekberg)
Art of Noise
Songs: Kiss (feat. Tom Jones)
ATB Songs: 9 PM (Till I Come) (feat. Yolanda Rivera)
Avenue Q Songs: There's a Fine, Fine Line (Kate Monster & Lucy) - Special
Avicii
Songs: Wake Me Up! (feat. Aloe Blacc) - Heaven (feat. Chris Martin) - Feeling Good - Without You (feat. Sandro Cavazza) - Hey Brother
Awolnation Songs: Sail
Axwell Songs: I Found You (& Charles Salter)