M83 Songs: Oblivion (& Susanne Sundfør)
Macklemore & Ryan Lewis
See also: Macklemore
Songs: Thrift Shop (& Wanz) - Can't Hold Us (& Ray Dalton) - Downtown - Same Love (& Mary Lambert) - Wing$
Mad Cobra Songs: Flex
Songs: I Like to Move It (Sacha Baron Cohen) - Celebrate (Pitbull)
Maejor Songs: I Love You (& Greeicy) - Lolly (& Justin Bieber & Juicy J)
Lee Majors Songs: The Unknown Stuntman (The Fall Guy)
Cheb Mami Songs: Desert Rose (& Sting) - Meli Meli (Que m'arrive-t-il ?)
Aimee Mann Songs: Independent Together (& Ted Leo & Deedee Magno Hall (Steven Universe)) - Stupid Thing
Marcus & Martinus Songs: Unforgettable (Eurovision Sweden)
Mario Dewar Barrett
Songs: Let Me Love You - Just a Friend - Thinkin' About You
Cory Marks
Songs: Outlaws & Outsiders (& Ivan Moody, Travis Tritt & Mick Mars)
Maroon 5
Adam Levine, James Valentine, Jesse Carmichael, Michael Madden, Matt Flynn & Ryan Dusick
Songs: Memories - Animals - This Love - Sunday Morning - Moves Like Jagger (& Christina Aguilera)
Bryan Martin
Songs: We Ride - Beauty in the Struggle - Everyone's an Outlaw - Fafo (& Charlie Farley, OG Caden & Austin Tolliver)
Elvis Martínez Songs: Así fue (Bachata)
Groucho Marx Songs: Lydia the Tattooed Lady (At the Circus) - (Whatever It Is) I'm Against It (Horse Feathers)
Masego Songs: Tadow (& FKJ)
Massive Attack Songs: Teardrop (& Elizabeth Fraser) - Unfinished Sympathy - Live with Me (& Terry Callier)
Mastodon Songs: Blood and Thunder (& Neil Fallon)
Maverick City Music Songs: Firm Foundation (He Won't) (& Naomi Raine, Chandler Moore & Cody Carnes)
The Mavericks
Raul Malo, Robert Reynolds, Paul O'Rourke, Eddie Deakin, Mitchell Quinn, David Lee Holt, Nick O'Kane, Ben Peeler & Ashley Price
Songs: The Name of the Game - All You Ever Do Is Bring Me Down - Overnight Success - Hey Good Lookin' - There Goes My Heart
Edward Maya Songs: Stereo Love (& Vika Jigulina) - This Is My Life (& Vika Jigulina)
Kym Mazelle Songs: Young Hearts Run Free (Romeo + Juliet)
Lizzy McAlpine
Also known as Elizabeth Catherine McAlpine
Songs: Just the Two of Us (& Scary Pockets & Swatkins) - Doomsday - Pancakes for Dinner - Ceilings
Jim McCann Songs: Grace
Marilyn McCoo Songs: You Don't Have to Be a Star (& Billy Davis Jr.)
Leah McFall Songs: I Will Survive (live)
Charlie Mcgettigan Songs: Rock 'n' Roll Kids (& Paul Harrington)
Maria Mckee Songs: If Love Is a Red Dress (Hang Me in Rags) (Pulp Fiction) - Show Me Heaven (Days of Thunder)
Gerard McMann Songs: Cry Little Sister (The Lost Boys)
Mean Girls (musical)
The musical
Songs: World Burn - I'd Rather Be Me - Stupid with Love - I See Stars - A Cautionary Tale (Barrett Wilbert Weed & Grey Henson)
Melanie C
Melanie Chisholm Also known as Mel C
See also: Spice Girls

Songs: First Day of My Life - I Turn to You - When You're Gone (& Bryan Adams) - Loving You (& Matt Cardle) - Northern Star
Matthieu Mendès Songs: Okay (& Pomme) - Cendrillon
Ménélik Songs: Bye Bye (& Imane D)
Also known as Mentissa Aziza
Songs: Et bam - Balance - Mamma Mia - Le bruit du silence - Tu me guéris (& Vianney)
Merveille Songs: Ghetto
Metal Gear Solid Songs: Snake Eater (Cynthia Harrell)
James Hetfield, Lars Ulrich, Kirk Hammett & Robert Trujillo
Songs: Nothing Else Matters - King Nothing - Enter Sandman - One - Whiskey in the Jar
Metalocalypse Songs: Awaken (Dethklok) - Murmaider (Dethklok) - Birthday Dethday (Dethklok)
The Management
Songs: Electric Feel - Time to Pretend - Little Dark Age - Kids
Also known as Michel'le Denise Toussant
Songs: Something in My Heart
Miguel Jontel Pimentel
Songs: Sure Thing - Jeans (& Jessie Reyez) - Power Trip (& J. Cole) - Adorn - Sky Walker (& Travis Scott)
Also known as Mia Virik Kristensen
Songs: Dynasty
Military Wives Choir Songs: Sing (& Gary Barlow & The Commonwealth Band) - Wherever You Are (X Factor)
Glenn Miller
Glenn Miller And His Orchestra
Songs: Chattanooga Choo Choo
Amedeo Minghi Songs: Vattene amore (& Mietta)
Les Aventures de Ladybug et Chat Noir
Songs: Miraculous
Miss Montreal
Songs: Door de wind (Beste zangers 2020) - Have You Ever Seen the Rain (& Milow) - Hoe (& Nielson) - Laat me (& Stef Bos) - Ik zoek alleen mezelf (& Paskal Jakobsen)
Miss Saigon
Musicals & Broadway (1989)
Claude-Michel Schoenberg & Alain Boublil

Songs: Sun and Moon - Now That I've Seen Her
MK Songs: 17 - Always (Route 94 Remix) (& Alana)
Tony Oller & Malcolm David Kelley
Songs: Classic - Thank You - God Only Knows
Models Songs: Fame
Moncrieff Songs: Warm
Monifah Songs: Touch It
Bill Monroe
Songs: In the Pines (& The Bluegrass Boys) - Blue Moon of Kentucky
Monsters, Inc. Songs: If I Didn't Have You - Si je ne t'avais pas (Eric Métayer & Jacques Frantz)
Omar Montes Songs: Solo (& Ana Mena & Maffio) - Alocao (& Bad Gyal)
The Moody Blues
Graeme Edge, Justin Hayward, John Lodge, Denny Laine, Mike Pinder, Ray Thomas, Clint Warwick, Rodney Clark & Patrick Moraz
Songs: For My Lady - Nights in White Satin (Single Version) - Question - The Story in Your Eyes - Legend of a Mind
Moriarty Songs: Jimmy
Lemmy Kilmister, Phil Campbell & Mikkey Dee
Songs: Ace of Spades - Born to Raise Hell - Overkill - Hellraiser - Motorhead
Mousse T.
Songs: Sex Bomb (& Tom Jones) - Horny '98 (& Hot 'n' Juicy & Inaya Day)
Mr. Big
Eric Martin, Paul Gilbert, Billy Sheehan & Pat Torpey
Songs: To Be With You - Wild World - Daddy, Brother, Lover, Little Boy (the Electric Drill Song) - Shine - Just Take My Heart
Ms. Project Songs: Fiesta Boom Boom (& Alan Hoy)
Mae Muller Songs: Better Days (& Neiked & Polo G) - I Wrote a Song (Eurovision United Kingdom)
Muscadine Bloodline
Gary Stanton & Charlie Muncaster
Songs: Me On You - Porch Swing Angel - Pieces (& Lainey Wilson) - Dyin' for a Livin'
Matthew Bellamy, Dominic Howard & Christopher Wolstenholme
Songs: Madness - Hysteria - Starlight - Uprising - Sing For Absolution
Music and Lyrics (film)
Music from the Motion Picture 2007
Songs: PoP! Goes My Heart (Hugh Grant) - Way Back Into Love (Hugh Grant & Drew Barrymore)
The Music Man (1957 musical) Songs: Seventy Six Trombones (Robert Preston) - Ya Got Trouble (Robert Preston)
Mustii Songs: Before the Party's Over (Eurovision Belgium)