- M5 MEXICAN BRASS
- Mach
- Machiko Kikuchi
- Made For Humans
- Madeleine Cocolas
- Mado Robin
- Madoka Moriyasu
- Mads Emil Nielsen
- Maestro
- Magical Strings
- Magical Strings and Family
- Magnam Gloriam
- Magnolia Snow
- Magnus Ludvigsson
- Magnus Rosen
- Mago
- Magos Herrera
- Maitane Sebastian
- Majid Katzer
- Majors for Minors
- Makoto Ozone
- Maksim
- Maksim Mrvica
- Maksym Rzemiński
- Malte Vief
- Malvina Major
- Mammoth
- Manca Izmajlova
- Mandelring Quartett
- Mandolin' Club de Paris
- Manfred Honeck
- Manfred Hulebo
- Manhattan Brass
- Manhattan Jazz Orchestra
- Manhattan Pops Orchestra
- Mannheim Steamroller
- Mano Ezoh
- Manon Clément
- Manos Milonakis
- Mantovani
- Mantovani Orchestra
- Manu Delago
- Manuel Barrueco
- Manuel Seith
- Manuel Zito
- Mara Chris Miller
- Marc Enfroy
- Marc Filograsso
- Marc Reift Orchestra
- Marc Romboy
- Marcel Azzola
- Marcel Merkes
- Marcel Pagnoul
- Marcel Pagnoul Orchestra
- Marcello Fiorini
- Marcello Liverani
- Marcello Viotti
- Marcelo Alvarez, Salvatore Licitra
- Marcelo Hilgenberg
- Marcelo Nisinman
- Marcelo Álvarez
- Marcin
- Marcin Wadolowski
- Marco Caiazza
- Marco Cresci
- Marco F. Ferrari
- Marco Ferrari
- Marco Kim
- Marco Lucchi
- Marco Matz
- Marco Mondragon
- Marco Rollo
- Marco Rosano
- Marco Santini
- Marco Severini
- Marco Velocci
- Marcos N. Lima
- Marcus Holden
- Marcus J Rose
- Marcus M. Doering
- Marcus Schinkel Trio
- Marcus Viana
- Marek Tomaszewski
- Marek Weber
- Margaret Hermant
- Margaret Keys
- Margarethe Pape
- Margo Guryan
- Mari Anne Haggander
- Mari Samuelsen
- Maria Corley
- Maria Grigoryeva
- Maria Karakusheva
- Maria Lindsay
- Maria Mena
- Maria Ostroukhova
- Maria Pia de Vito
- Maria Pia Vito
- Maria Pomianowska & przyjaciele
- Maria Radutu
- Maria Satomi Shoji
- Maria w Horn
- Marianna Jame
- Marianna Koukoutsakis
- Marianne Beate Kielland
- Marie Deutschland
- Marie Suh
- Marie-Andrée Ostiguy
- Mariinsky Orchestra
- Marija Popovic
- Marika Takeuchi
- Marilyn Horne
- Marin Alsop
- Marina Arsenijevic
- Marina Baranova
- Marina Prior
- Marine Band of the Royal Netherlands Navy
- Mario Alberti
- Mario del Monaco
- Mario Diaz de León
- Mario Frangoulis
- Mario Lanza
- Mario Marzi
- Marion Willmanns
- Mariss Jansons
- Marius Furche
- Mariusz Kustra
- Marjan Rawicz
- Mark Bebbington
- Mark Benis
- Mark Christopher Lee
- Mark Deeks
- Mark Harris
- Mark Isaacs
- Mark John McEncroe
- Mark Jubel
- Mark Northam
- Mark O'Connor
- Mark O'Connor's Hot Swing Trio
- Mark Sheeky
- Mark Van Overmeire
- Mark Vincent
- MARKEYBEE
- Marko Musik
- Markus Huber
- Markus J. Buehler
- Marquardt Petersen
- Mars Turner
- Marshall & Alexander
- Marta Eggerth
- Martha Angelici
- Martha Flowers
- Martin and Blane
- Martin Ermen
- Martin Jacoby
- Martin Neary
- Martin Petzold
- Martin Roscoe
- Martin Salzwedel
- Martin Schmid
- Martin Wind
- Martina Arroyo
- Martina Flores
- Martina Grossi
- Marty Haugen
- Martyn Heyne
- Martynas
- Mary Carewe
- Mary Govard
- Mary Schneider
- Mas Paul
- Masakatsu Takagi
- Masayoshi Soken
- Mascoulisse Quartet
- Mason Williams
- Massed Band of HM Royal Marines
- Massimo Colombani
- Massimo Colombo
- Masterwerk
- Matamatix
- Mateo Fuertes
- Mateo Ramirez
- Mateus Brandão
- Matheus Ng
- Mathew Joseph
- Mathew Roth
- Mathias Madsen Munch
- Mathias Schabow
- Mathieu Bourret
- Mathé Altéry
- Matias Dupont
- Matovani
- Mats Claesson
- Mats Rondin
- Matt Emery
- Matt Grossman
- Matt Haimovitz
- Matt Herskowitz
- Matt Jr Goku
- Matt Stewart-Evans
- Matt Tondut
- Matteo Galesi
- Matteo Myderwyk
- Matthew Bourne
- Matthew Curtis
- Matthew Freeman
- Matthew Nicholson
- Matthew Shell
- Matthew Todd Naylor
- Matthew Zenkevich
- Matthias Arfmann
- Matthias Erb
- Matthias Hübner
- Matthias Köbler
- Matthias Well
- Matti Bye
- Mattia Greggio
- Mattia Vlad Morleo
- Matías León
- Maureen McCarthy Draper
- Maureen O'Flynn
- Maurice André
- Maurice Jarre
- Mauritius Bonnemayers
- Maurizio Colonna
- Maurizio D'Alessandro
- Maurizio Managò
- Maurizio Mastrini
- Mauro Squillante
- Max Arnald
- Max Bell
- Max Morath
- Max Richter
- Max Trebe
- Max Umen
- Maxence Cyrin
- Maxim Lydian
- Maxim Rebront
- Maxim Zinov'ev
- Maxime Baudin