M83
Songs: Oblivion (feat. Susanne Sundfør) - Midnight City
Macklemore Songs: These Days - Glorious (feat. Skylar Grey) - And We Danced (feat. Ziggy Stardust) - Good Old Days (feat. Kesha)
Macklemore & Ryan Lewis
See also: Macklemore
Songs: Can't Hold Us (feat. Ray Dalton) - Downtown - Same Love (feat. Mary Lambert) - Thrift Shop - White Walls (feat. Schoolboy Q & Hollis)
Madcon Songs: Beggin' - Don't Worry (feat. Ray Dalton) - Liar - Glow
Maejor
Songs: I Love You (feat. Greeicy) - Lolly (feat. Justin Bieber & Juicy J)
Juan Magán Songs: Bailando Por Ahi (Ayer la vi) - Baila Conmigo (feat. Luciana) - Noche y de día - Un momento (& Inna) - Ni la hora (& Ana Guerra)
Malo Songs: Suavecito
Cheb Mami Songs: Desert Rose (& Sting) - Ma Ma (Dance Mix) - Meli Meli (Que m'arrive-t-il ?)
Luis Mariano Songs: C'est magnifique (Can-Can) - Valencia - La samba brésilienne - Maria-Luisa (La Belle de Cadix) - Mexico
Maroon 5
Adam Levine, James Valentine, Jesse Carmichael, Michael Madden, Matt Flynn & Ryan Dusick
Songs: Memories - She Will Be Loved - Three Little Birds - Sunday Morning - Girls Like You
Massive Attack Songs: Teardrop (feat. Elizabeth Fraser) - Live with Me (Terry Callier)
The Mavericks
Raul Malo, Robert Reynolds, Paul O'Rourke, Eddie Deakin, Mitchell Quinn, David Lee Holt, Nick O'Kane, Ben Peeler & Ashley Price
Songs: Dance the Night Away - World Without Love - What a Crying Shame - If You Only Knew - There Goes My Heart
MAX Songs: Lights Down Low (feat. Gnash) - Love Me Less (feat. Quinn XCII)
Edward Maya Songs: Stereo Love (feat. Vika Jigulina) - This Is My Life (feat. Vika Jigulina)
Maze Songs: Joy And Pain - Before I Let Go (feat. Frankie Beverly) - Golden Time Of Day (feat. Frankie Beverly) - Happy Feelin's (feat. Frankie Beverly)
Zayion McCall Songs: Juju on That Beat (TZ Anthem) (& Zay Hilfigerrr)
Jim McCann
Songs: Grace
China Anne McClain Songs: Dynamite (From A.N.T. Farm) - Calling All The Monsters (From A.N.T. Farm)
The McCoys Songs: Hang On Sloopy (Single Version)
Leah McFall Songs: I Will Survive (Live)
Maria Mckee Songs: Show Me Heaven (Days of Thunder)
Gerard McMann Songs: Cry Little Sister (The Lost Boys)
Meduza Songs: Piece of Your Heart (feat. Goodboys) - Lose Control (& Becky Hill & Goodboys)
Megadeth Songs: Symphony Of Destruction - Angry Again - Moto Psycho (Alternative Outro)
Melanie C
Melanie Chisholm Also known as Mel C
See also: Spice Girls

Songs: When You're Gone (in duet with Bryan Adams) - Loving You (& Matt Cardle) - Northern Star - I Turn To You - Carolyna
Meridian Dan Songs: German Whip (feat. Big H & JME)
Metallica
James Hetfield, Lars Ulrich, Kirk Hammett & Robert Trujillo
Songs: Nothing Else Matters - Master of Puppets - Whiskey In The Jar - The Memory Remains (feat. Marianne Faithfull) - Fade To Black
Migos Songs: MotorSport (feat. Nicki Minaj & Cardi B) - Bad and Boujee (feat. Lil Uzi Vert) - T-Shirt
John Miles
Songs: Music (Was My First Love) - Try A Little Tenderness (live Wembley) (in duet with Tina Turner)
Christina Milian Songs: AM to PM - Dip It Low - Call Me Beep Me (From the TV series Kim Possible) - When You Look At Me - Whatever U Want (feat. Joe Budden)
Military Wives Choir
Songs: Sing (& Gary Barlow & The Commonwealth Band) - Wherever You Are (X Factor)
Milk & Honey Songs: Hallelujah (& Gali Atari) - Hallelujah (הללויה Hebrew version) (& Gali Atari)
Glenn Miller
Glenn Miller And His Orchestra
Songs: Chattanooga Choo Choo - In The Mood - Moonlight Serenade
Miss Saigon
Musicals & Broadway (1989)
Claude-Michel Schoenberg & Alain Boublil

Songs: Why, God, Why? - The Last Night of the World - The Movie in My Mind - Sun and Moon - I'd Give My Life For You
MK Songs: 17 - Always (Route 94 Remix) (feat. Alana)
Janelle Monáe Songs: We Are Young (& Fun) - Unbreakable (& Kelly Clarkson) - Make Me Feel - Tightrope (feat. Big Boi) - What Is Love? (From Rio 2 movie soundtrack)
Monifah Songs: Touch It
Monsters, Inc. Songs: If I Didn't Have You - Si je ne t'avais pas (Eric Métayer & Jacques Frantz)
The Moody Blues
Graeme Edge, Justin Hayward, John Lodge, Denny Laine, Mike Pinder, Ray Thomas, Clint Warwick, Rodney Clark, Patrick Moraz
Songs: Nights in White Satin (Single Version) - I'm Just a Singer (In a Rock and Roll Band) - Nights in White Satin (Album Version) - Go Now - Question
Morecambe and Wise
Eric Morecambe & Ernie Wise
Songs: Bring Me Sunshine - Positive Thinking
Moriarty Songs: Jimmy
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)
Muse
Matthew Bellamy, Dominic Howard & Christopher Wolstenholme
Songs: Uprising - Time is Running Out - Hysteria - Feeling Good - Plug In Baby
Music and Lyrics Songs: Way Back Into Love (Hugh Grant & Drew Barrymore)