M Machine Gun Kelly Madeline Juno Madonna MAGIC! Majk Spirit Major Lazer Maksim Mandisa Mandy Moore Mandy Santos Maren Morris Maria Voskania Mariah Carey Marilyn Manson Marina and The Diamonds Mark Ronson Markus Schulz Maroon 5 Martin Garrix Martin Solveig Marty Stuart Mary J. Blige Mary Lambert Matrix & Futurebound Matt Duke Matt Nakoa MATTN Maximilian Hecker Meghan Trainor Melanie C Meredith Andrews Mia Martina Michael Bublé Michael Calfan Michael Jackson Michele Bravi Miguel Mateos Mika Mike Will Made-It Mikky Ekko Miley Cyrus Millionaires Mira Miranda Lambert Miss Nine Missy Elliott MNEK MØ Monica Morgan Page Mötley Crüe Mumford & Sons Mura Masa Muse My Chemical Romance