M83 Songs: Midnight City - Oblivion (& Susanne Sundfør)
Macklemore Songs: And We Danced (& Ziggy Stardust) - These Days - Good Old Days (& Kesha) - Glorious (& Skylar Grey) - No Bad Days (& Collett)
Macklemore & Ryan Lewis
See also: Macklemore
Songs: Can't Hold Us (& Ray Dalton) - Thrift Shop (& Wanz) - Wing$ - Downtown - Same Love (& Mary Lambert)
Mad Cobra Songs: Flex
Madagascar Songs: I Like to Move It (Sacha Baron Cohen) - Big And Chunky (will.i.am & Moto Moto) - Celebrate (Pitbull)
Lee Majors Songs: The Unknown Stuntman (The Fall Guy)
Malo (band)
Richard Bean
Songs: Suavecito
Cheb Mami Songs: Desert Rose (& Sting) - Meli Meli (Que m'arrive-t-il ?)
Mann Songs: Buzzin' (& 50 Cent)
Marghe
Also known as Marghe Davico
Songs: Sarà perché ti amo (& La Petite Culotte) - Au bout du monde
Mariza Songs: Chuva
Marjo
Marjolène Morin
Songs: Chats sauvages - Les yeux du cœur (& Gerry Boulet) - Ailleurs - Amoureuse - Illégal (& Corbeau)
Cory Marks Songs: Outlaws & Outsiders (& Ivan Moody, Travis Tritt & Mick Mars)
Maro Songs: Saudade, Saudade (Eurovision Portugal)
Maroon 5
Adam Levine, James Valentine, Jesse Carmichael, Michael Madden, Matt Flynn & Ryan Dusick
Songs: Moves Like Jagger (& Christina Aguilera) - This Love - Memories - Sunday Morning - Sugar
Elvis Martínez Songs: Así fue (Bachata)
Groucho Marx Songs: (Whatever It Is) I'm Against It (Horse Feathers) - Lydia the Tattooed Lady (At the Circus)
Masego
Also known as Micah Davis
Songs: Tadow (& FKJ)
Massive Attack
Songs: Teardrop (& Elizabeth Fraser) - Unfinished Sympathy - Live with Me (& Terry Callier)
Mastodon Songs: Blood and Thunder (& Neil Fallon)
Matthieu Chedid (-M-)
Songs: La Seine (& Vanessa Paradis) - À toi (& Gail Ann Dorsey) - F.O.R.T (& Joseph, Nach & Louis Chedid) - La bonne étoile - Belleville rendez-vous (Les triplettes de Belleville)
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: All You Ever Do Is Bring Me Down - Foolish Heart - Dance the Night Away - I Should Have Been True - Back In Your Arms Again
MAX Songs: Lights Down Low (& Gnash) - Love Me Less (& Quinn XCII) - Naked (& Jonas Blue)
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: Ceilings
Jim McCann Songs: Grace
Marilyn McCoo Songs: You Don't Have to Be a Star (& Billy Davis Jr.)
The McCoys Songs: Hang on Sloopy (Single Version)
Leah McFall Songs: I Will Survive (live)
Maria Mckee Songs: Show Me Heaven (Days of Thunder) - If Love Is a Red Dress (Hang Me in Rags) (Pulp Fiction)
Gerard McMann Songs: Cry Little Sister (The Lost Boys)
Medina Songs: You And I
Melanie C
Melanie Chisholm Also known as Mel C
See also: Spice Girls

Songs: When You're Gone (& Bryan Adams) - First Day of My Life - Loving You (& Matt Cardle)
John Mellencamp
John Cougar Mellencamp
Songs: Pink Houses - Hurts So Good (From Footloose (1984 film) movie soundtrack) - Under The Boardwalk - Cherry Bomb - Jack & Diane
Felix Mendelssohn Songs: Wedding March (A Midsummer Night's Dream)
Matthieu Mendès Songs: Cendrillon - Okay (& Pomme)
Ménélik Songs: Bye Bye (& Imane D)
Menudo Songs: Claridad
Metal Gear Solid Songs: Snake Eater (Cynthia Harrell)
Metallica
James Hetfield, Lars Ulrich, Kirk Hammett & Robert Trujillo
Songs: Enter Sandman - Nothing Else Matters - One - Whiskey in the Jar - Seek & Destroy
Metalocalypse
Songs: Murmaider (Dethklok) - Birthday Dethday (Dethklok)
Miguel
Miguel Jontel Pimentel
Songs: Sky Walker (& Travis Scott) - Adorn - Sure Thing - All I Want Is You (& J. Cole) - Power Trip (& J. Cole)
Miia Songs: Dynasty
Military Wives Choir Songs: Sing (& Gary Barlow & The Commonwealth Band) - Wherever You Are (X Factor)
Amedeo Minghi Songs: Vattene amore (& Mietta)
Minuit Songs: Flash
Miss Montreal
Songs: Door de wind (Beste zangers 2020) - Have You Ever Seen the Rain (& Milow) - Laat me (& Stef Bos) - Being Alone at Christmas - Hey mam (Beste Zangers)
Miss Saigon
Musicals & Broadway (1989)
Claude-Michel Schoenberg & Alain Boublil

Songs: Bui Doi - Why, God, Why? - The Movie in My Mind - The Last Night of the World - Sun and Moon
MK Songs: 17 - Always (Route 94 Remix) (& Alana)
Moana
Musical film (2016)
Songs: How Far I'll Go (Auli'i Cravalho) - Shiny (Jemaine Clement) - We Know the Way - Where You Are - You're Welcome
Models Songs: Fame
Monifah Songs: Touch It
Monsters, Inc. Songs: If I Didn't Have You - Si je ne t'avais pas (Eric Métayer & Jacques Frantz)
Omar Montes Songs: Alocao (& Bad Gyal) - Solo (& Ana Mena & Maffio)
Sara Montiel Songs: Quizás, Quizás, Quizás (From Noches de Casablanca movie soundtrack)
The Moody Blues
Graeme Edge, Justin Hayward, John Lodge, Denny Laine, Mike Pinder, Ray Thomas, Clint Warwick, Rodney Clark & Patrick Moraz
Songs: Tuesday Afternoon - Your Wildest Dreams - Nights in White Satin (Album Version) - Nights in White Satin (Single Version) - Question
Moriarty Songs: Jimmy
Motörhead
Lemmy Kilmister, Phil Campbell & Mikkey Dee
Songs: Ace of Spades - Heroes - Overkill - The Game - King of Kings
Mousse T. Songs: Sex Bomb (& Tom Jones) - Horny '98 (& Hot 'n' Juicy & Inaya Day)
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'
Muse
Matthew Bellamy, Dominic Howard & Christopher Wolstenholme
Songs: Uprising - Starlight - Unintended - Supermassive Black Hole - Feeling Good
The Music Man (1957 musical) Songs: Ya Got Trouble (Robert Preston) - Seventy Six Trombones (Robert Preston)