M.I.A. Songs: Paper Planes - XXXO (feat. Jay-Z)
M83 Songs: Oblivion (feat. Susanne Sundfør) - Midnight City
Macklemore
Siehe auch: Macklemore & Ryan Lewis
Songs: And We Danced (feat. Ziggy Stardust) - These Days - Good Old Days (feat. Kesha) - Glorious (feat. Skylar Grey)
Macklemore & Ryan Lewis Songs: Can't Hold Us (feat. Ray Dalton) - Thrift Shop - Same Love (feat. Mary Lambert) - Downtown - White Walls (feat. Schoolboy Q & Hollis)
Madcon Songs: Don't Worry (feat. Ray Dalton) - Glow - Beggin' - Liar
Juan Magán Songs: Baila Conmigo (feat. Luciana) - Bailando Por Ahi (Ayer la vi) - Ni la hora (& Ana Guerra) - Un momento (& Inna) - Si no te quisiera
Cheb Mami Songs: Desert Rose (& Sting) - Meli Meli (Que m'arrive-t-il ?) - Ma Ma (Dance Mix)
Mehrzad Marashi
Deutschland sucht den Superstar (Season 7)
Songs: Sweat (A La La La La Long) (& Mark Medlock) - Don't Believe
Maroon 5
Adam Levine, James Valentine, Jesse Carmichael, Michael Madden, Matt Flynn & Ryan Dusick
Songs: Girls Like You - Moves Like Jagger (feat. Christina Aguilera) - Makes Me Wonder - Animals - This Love
Bruno Mars
Peter Hernandez
Songs: Uptown Funk (feat. Mark Ronson) - Blow (feat. Ed Sheeran & Chris Stapleton) - Marry You - 24K Magic - Treasure
Marteria
Songs: Lila Wolken (Yasha & Miss Platnum)
Massive Attack
Songs: Teardrop (feat. Elizabeth Fraser) - Live with Me (Terry Callier)
Mathea
Songs: 2x
The Mavericks
Raul Malo, Robert Reynolds, Paul O'Rourke, Eddie Deakin, Mitchell Quinn, David Lee Holt, Nick O'Kane, Ben Peeler & Ashley Price
Songs: Back In Your Arms Again - Dance the Night Away - All You Ever Do Is Bring Me Down - Pizziricco - Swingin'
Henning May
Songs: Vermissen (feat. JuJu)
Edward Maya Songs: Stereo Love (feat. Vika Jigulina) - This Is My Life (feat. Vika Jigulina)
Leah McFall Songs: I Will Survive (Live)
Meduza
Songs: Piece of Your Heart (feat. Goodboys)
Megadeth Songs: Symphony Of Destruction - Angry Again - Moto Psycho (Alternative Outro)
Melanie C
Melanie Chisholm Auch bekannt als / unter Mel C
Siehe auch: Spice Girls

Songs: When You're Gone (duett mit Bryan Adams) - First Day of My Life - I Turn To You - Loving You (& Matt Cardle) - Carolyna
Metallica
James Hetfield, Lars Ulrich, Kirk Hammett & Robert Trujillo
Songs: Nothing Else Matters - The Unforgiven II - Enter Sandman - Whiskey In The Jar - Master of Puppets
Migos Songs: MotorSport (feat. Nicki Minaj & Cardi B) - T-Shirt - Bad and Boujee (feat. Lil Uzi Vert)
Miguel
Miguel Jontel Pimentel
Songs: Sure Thing - Remind Me to Forget (feat. Kygo) - Adorn - Power Trip (& J. Cole) - Beautiful (& Mariah Carey)
John Miles
Songs: Music (Was My First Love) - Try A Little Tenderness (live Wembley) (duett mit Tina Turner)
Military Wives Choir Songs: Sing (& Gary Barlow & The Commonwealth Band) - Wherever You Are (X Factor)
Milk & Honey
Chalav U'Dvash
Songs: Hallelujah (& Gali Atari) - Hallelujah (הללויה Hebrew version) (& Gali Atari)
Miss Platnum
Songs: Lila Wolken (Marteria & Yasha)
Robert Mizzell
Siehe auch: The Three Amigos
Songs: Walk of Life (The Late Late Country Special) - The Gambler Medley - Livin' the Life - Walk The Line Revisited (& Richard Mizzell) - You May Be Right
Janelle Monáe Songs: We Are Young (& Fun) - Tightrope (feat. Big Boi) - Make Me Feel - What Is Love? (Aus dem Rio 2 Soundtrack)
Die Monster AG Songs: Si je ne t'avais pas (Eric Métayer & Jacques Frantz) - If I Didn't Have You
Motörhead
Lemmy Kilmister, Phil Campbell & Mikkey Dee
Songs: Ace Of Spades
Mousse T.
Songs: Sex Bomb (& Tom Jones) - Let's Go To Bed (& No Angels) - Is It 'Cos I'm Cool? (feat. Emma Lanford)
Wolfgang Amadeus Mozart Songs: Voi che sapete (le Mariage de Figaro) - Ave verum corpus - Non so più cosa son, cosa faccio (Le nozze di Figaro)
Mundy Songs: Galway Girl (feat. Sharon Shannon) - July
Muse
Matthew Bellamy, Dominic Howard & Christopher Wolstenholme
Songs: Pressure - New Born - Unintended - Undisclosed Desires - Starlight