| Artist | Years | Genre | | Artist | Years | Genre |
| M. Nasir (3) | Jul 1957 - | Folk | | Meat Loaf (105) | Sep 1947 - | Rock |
| MacAlpine, Tony (3) | | | | Meco (8) | | Disco |
| MacColl, Ewan (4) | | | | Mecyssne, Victor (1) | | |
| MacColl, Kirsty (12) | Oct 10, 1959 - Dec 18, 2000 | Folk-Rock | | Meece, David (2) | | |
| MacDonald, Angus, P.M., M.B.E (1) | Oct 1938 - Jun 1999 | Pipe and Drum | | Meek, Joe (2) | | |
| MacGowan, Shane (0) | | | | Meggs, Gary (1) | | |
| MacGowan, Shane (0) | | | | Meisner, Randy (3) | | |
| MacIsaac, Ashley (2) | | Celtic | | Melcher, Terry (0) | Feb 1942 - Nov 2004 | Pop |
| MacLean, Dougie (4) | | Scottish Folk | | Melchior, Lauritz (2) | | |
| MacLean, Tara (6) | October 25, 1973 - | Folk | | Mellencamp, John Cougar (7) | | |
| MacLeod, Donald (1) | | Pipe and Drum | | Melua, Katie (6) | | |
| MacLeod, Roderick J (2) | 19?? - | Pipe and Drum | | Mena, Maria (6) | 1986 - | Rock |
| MacLise, Angus (2) | | | | Mendes, Sergio (21) | Feb 1941 - | Samba |
| MacManus, Declan (30) | Aug 1954 - | New Wave | | Mensah, E.T. (5) | | Highlife |
| MacManus, Declan Patrick (30) | Aug 1954 - | New Wave | | Menzel, Idina (44) | 1971 - | Pop |
| MacMaster, Natalie (6) | 1973 - | Celtic | | Mercer, Johnny (6) | | |
| Mad Professor (1) | | Dub | | Merchant, Natalie (21) | | |
| Madonna (122) | 1958 - | Pop | | Mercury, Freddie (7) | Oct 1946 - Nov 1991 | Rock |
| Maestro Fresh Wes (1) | | Hip-Hop | | Merritt, Chris (6) | | |
| Maggart, Fiona Apple (40) | Sep 1977 - | Alternative Rock | | Merritt, Jymie (2) | Mar 1926 - | Hard Bop |
| Mahal, Taj (5) | May 1942 - | Blues | | Merritt, Stephin (2) | | |
| Mahoney, Tim (3) | Feb 1970 - | | | Merritt, Tift (4) | | Alternative Country |
| Maida, Raine (3) | Feb 18th, 1970 - | Alternative | | Merz, Mike (2) | | |
| Maines, Natalie (6) | | | | Messina, Jo Dee (3) | | |
| Maitreya, Sananda (4) | 1962 - | Pop | | Metheny, Pat (12) | | |
| Majid, Sheila (10) | Jan 1965 - | Jazz | | Meyer, Edgar (2) | | |
| Malcolm, Ryan (3) | | | | Mhire, Jeremy (6) | May 1980 - | Contemporary Christian |
| Malkmus, Stephen (12) | | | | Michael, George (125) | Jun 1963 - | Pop |
| Malmsteen, Yngwie (4) | | | | Michael, James (1) | | |
| Mama Cass (1) | Sep 1943 - Jul 1974 | Folk-Rock | | Michael, Jörg (0) | March 27th 1963 - | Heavy Metal |
| Mandrell, Barbara (4) | | | | Michaels, Patrik (3) | | Country |
| Mangeshkar, Lata (20) | | | | Michelangeli, Arturo Benedetto (2) | | |
| Mangione, Chuck (3) | | | | Micus, Stephan (3) | | |
| Manilow, Barry (42) | 1946 - | Pop | | Midler, Bette (20) | | |
| Mann, Aimee (174) | September 8, 1960 - | Rock | | Milano, Alyssa (60) | | |
| Mansfield, Darrell (2) | | Christian Rock | | Miles, Lynn (8) | | |
| Manson, Charles (1) | | Classic Rock | | Milian, Christina (4) | | |
| Manson, Jono (3) | | | | Miller, Dominic (3) | | |
| Manson, Shirley (6) | August 26, 1966 - | Rock | | Miller, Glenn (3) | | |
| mantrakid (2) | | | | Miller, Roger (4) | | |
| Manzarek, Ray (0) | | | | Miller, Steve (3) | | |
| Mapfumo, Thomas (3) | | | | Mills, Hayley (4) | | |
| Marchand, Inga (15) | Sep 1979 - | Hardcore Rap | | Mills, Mike (1) | | Rock |
| Margolis, Bob (1) | | Contemporary Jazz | | Milsap, Ronnie (4) | | |
| Margrave, Sheri (2) | | | | Mimoid (9) | | Electronica |
| Marie, Teena (3) | | | | Mingus, Charles (10) | 1922 - 1979 | Bebop |
| Marley, Bob (32) | Feb 1948 - May 1981 | Reggae | | Minnelli, Liza (8) | | |
| Marlin, Lene (16) | | | | Minogue, Dannii (4) | | |
| Marr, Johnny (1) | | | | Minogue, Kylie (57) | May 1968 - | Pop |
| Marsalis, Branford (3) | | | | Minor, Shane (2) | | Country |
| Marsalis, Wynton (5) | | | | Mirabal, Robert (7) | | |
| Marshall, Amanda (12) | | | | Miranda, Carmen (5) | | Samba |
| Marshall, Chan (11) | | | | Mitchell, Blue (5) | Mar 1930 - May 1979 | Hard Bop |
| Martell, Jeff (1) | | | | Mitchell, Joni (16) | Nov 1943 - | Folk-Rock |
| Martin, Charlotte (2) | | | | Mitchell, Tonya (5) | | |
| Martin, Claire (0) | | Vocal Jazz | | Miyavi (4) | | |
| Martin, Dean (8) | | | | Mobley, Hank (5) | Jul 1930 - May 1986 | Hard Bop |
| Martin, Eric (1) | | | | Moby (19) | Sep 1965 - | Electronica |
| Martin, George (8) | | | | Molko, Brian (13) | December 10th,1972 - | Rock |
| Martin, Jimmy (4) | | | | Molvaer, Nils Petter (2) | | World Fusion |
| Martin, Ricky (87) | | | | Monardo, Meco (8) | | Disco |
| Martineau, Alice (15) | June 8th 1972 - March 6th 2003 | Pop | | Moncur, Grachan, III (0) | Mar 1937 - | Post-Bop |
| Martinez, Narciso (2) | | Norteño | | Money, Eddie (3) | | Arena Rock |
| Martinez, SA (2) | Oct 1970 - | Rap | | Monk, Meredith (3) | | |
| Martyn, John (2) | | | | Monk, Sophie (3) | | |
| Marx, Richard (5) | | | | Monk, Thelonious (13) | 1917 - 1982 | Bebop |
| Mary-Kate and Ashley (56) | Jun 1986 - | Pop | | Monroe, Bill (68) | September 13, 1911 - September 9, 1996 | Bluegrass |
| Mase (11) | 08/27/1977 - | Hip-Hop | | Monroe, Rick (2) | | |
| Masi, Alex (2) | | | | Montgomery, John Michael (1) | | |
| Masini, Marco (2) | | | | Montgomery, Kevin (3) | | Country |
| Massi, Souad (6) | | | | Montgomery, Monte (6) | | |
| Mathis, Johnny (4) | | Traditional Pop | | Montgomery, Wes (5) | | |
| Matlock, Glen (2) | Aug 1956 - | Punk | | Moody, Matthew (1) | | |
| Mattea, Kathy (8) | | Country | | Moon, Keith (7) | Aug 1947 - Sep 1978 | British Invasion |
| Matthews, Dave (3) | January 9, 1967 - | | | Moore, Abra (5) | | Alternative Rock |
| Matthews, Randy (32) | | Christian Rock | | Moore, Barry (2) | May 1955 - | Alternative Folk |
| Matthews, Wendy (11) | | Pop | | Moore, Christy (31) | 1945 - | Celtic |
| May, Brian (5) | Jul 1947 - | Rock | | Moore, Gary (20) | Apr 1952 - | Rock |
| Mayall, John (2) | | Blues | | Moore, Geoff (12) | | |
| Mayer, John (12) | 1977 - | Rock | | Moore, Ian (33) | Aug 1968 - | Blues-Rock |
| Mayfield, Curtis (6) | | Funk | | Moore, LeRoi (1) | September 7, 1961 - | |
| Mays, Lyle (2) | | | | Moore, Mandy (93) | 1984 - | Pop |
| Mbassi, Coco (4) | | | | Moore, Merrill (3) | | Country |
| Mc Night, Jimmie (1) | | | | Moore, Stanton (2) | | Jam Rock |
| MC Solaar (3) | 1969 - | Hip-Hop | | Moore, Thurston (6) | 1958 - | Rock |
| McBride, Martina (8) | | | | Moorer, Allison (3) | | |
| McCann, Lila (4) | | | | Morales, Michael (4) | | Rock |
| McCarthy, Tommy (2) | | | | Morello, Tom (2) | | |
| McCartney, Linda (23) | | | | Morgan, Charlie (2) | | |
| McCartney, Paul (119) | Jun 1942 - | British Invasion | | Morgan, George (3) | | Country |
| McClinton, Delbert (4) | | | | Morgan, Heather (1) | | |
| McClure, George (2) | | | | Morgan, Lee (4) | Jul 1938 - Feb 1972 | Hard Bop |
| McCormack, John (2) | | | | Morgan, Lorrie (8) | | |
| McCoury, Del (6) | | | | Morissette, Alanis (71) | | Pop |
| McCoy, Neal (6) | | Country | | Moritaka, Chisato (6) | | |
| McCoy, Paul (0) | | | | Morris, Gary (4) | | |
| McCready, Mike (0) | | | | Morrison, Jim (13) | Dec 1943 - Jul 1971 | Classic Rock |
| McCready, Mindy (3) | | | | Morrison, Sterling (6) | Aug 1942 - Aug 1995 | Rock |
| McDermott, John (3) | | Celtic | | Morrison, Van (10) | Aug 1945 - | |
| McDonald, Forrest (2) | | Blues | | Morrissey (62) | | |
| McDowell, Ronnie (2) | | | | Morrissey, Bill (2) | | |
| McEntire, Reba (130) | Mar 1955 - | Country | | Morse, Steve (12) | July 28, 1954 - | Rock |
| McEuen, John (5) | | Bluegrass | | Morton, Jelly Roll (36) | | |
| McFadden, Bryan (3) | | | | Mos Def (5) | Dec 1973 - | Rap |
| McFerrin, Bobby (5) | | | | Moss, Ian (3) | | Rock |
| McGrath, Mark (4) | | | | Motian, Paul (0) | Mar 1931 - | Post-Bop |
| McGraw, Tim (22) | May 1, 1967 - | Country | | Mould, Bob (6) | | |
| McGregor, Glenn (4) | April 19th - | | | Moulding, Colin (0) | 1955 - | New Wave |
| McGuinn, Roger (27) | Jul 1942 - | Folk-Rock | | Mounir, Mohammad (1) | | Middle Eastern |
| McGuire, Barry (12) | Oct 1935 - | Folk | | Mouskouri, Nana (6) | | |
| McIntyre, Joey (155) | | | | Moyet, Alison (3) | Jun 1961 - | |
| McKagan, Duff (2) | | | | Mr. Oizo (0) | | Techno |
| McKee, Maria (9) | | | | Mr. Scruff (3) | | Trip-Hop |
| McKendrick, Robert (0) | | | | Mraz, Jason (5) | | Blues-Rock |
| McKennitt, Loreena (11) | | | | Ms Dynamite (0) | | Hip-Hop |
| McKeown, Erin (6) | | | | Mui, Anita (1) | | |
| McKibbin, Nikki (3) | | | | Mullen, Nicole C. (4) | | |
| McKnight, Brian (6) | | | | Mulligan, Gerry (2) | | |
| McKuen, Rod (3) | | | | Mulligan, Steve (0) | | |
| McLachlan, Sarah (56) | January 28, 1968 - | Rock | | Mullins, Rich (34) | 1955 - 1997 | Contemporary Christian |
| McLaren, Malcolm (1) | Jan 1946 - | Rock | | Mullins, Shawn (4) | | |
| McLauchlan, Ian (1) | | | | Mullis, Bill (2) | | Country |
| McLaughlin, John (12) | | | | Mumba, Samantha (12) | | |
| McLean, AJ (30) | | | | Mundy (14) | 1975 - | Rock |
| McLean, Don (10) | | | | Munro, Donnie (4) | | |
| McLean, Jackie (6) | 1932 - | Bebop | | Murdoc (2) | | |
| McLennan, Grant (2) | | | | Murphey, Michael Martin (3) | | |
| McNair, Sylvia (6) | | | | Murphy, David Lee (9) | | |
| McNally, James (0) | | | | Murphy, Eddie (12) | | |
| McNarland, Holly (25) | 1975 - | | | Murphy, Elliott (3) | | |
| McNeal, Lutricia (4) | | | | Murphy, Peter (11) | Jul 1957 - | Rock |
| McPherson, Charles (8) | 1940 - | Hard Bop | | Murray, Anna (4) | 19?? - | Celtic |
| McRae, Carmen (7) | | | | Murray, Anne (2) | | |
| McRae, Tom (3) | | Alternative Rock | | Murray, Scott (0) | Jan 1979 - Nov 2001 | |
| McShane, Jimmy (2) | May 1957 - | New Wave | | Musselwhite, Charlie (4) | | |
| McTell, Ralph (4) | | Folk | | Mya (12) | | |
| McVicker, Mitch (3) | | | | Myers, Billie (3) | | |
| McVie, Christine (5) | | | | Myhre, Wenche (13) | Feb 1947 - | Traditional Pop |
| MDFMK (2) | | | | Myles, Alannah (6) | | |
| Mead, David (2) | | | | Myles, Heather (4) | | Country |
