M30 – M30 (new) – MadClock – Made of Eyes – Madre Sun – Madstone – Madzilla – Maharaja – Maidon – Major Moment – Malsten – The Mandevilles – Manthra – Amy Mantis – Ren Marabou – Marialena – Marianas Rest – Leon Marshall – Mass Rejection – Maxdmyz – Siobhan Mazzei – MCRAE – Meat Train – Medusa Touch – Melt – Mercurious – Mercy – The Metal Byrds – Meteora – Gabriella Metz – Abi Mia – Midnight76 – Midnight Chic – Miesha & The Spanks – Minatore – Mindwake – MIOU – Misanthropia – Misplaced – The Missing Frets – Misty Grey – MNRVA – The Model Youth – Modern Welfare – MOFOiSDEAD – Mojo Alice – Molitoth – Monach – Mondo Bear – Monte Luna – Moon Machine – Moonlow – Keith Morash of Infecting Cells PR – More!More! – Mortal Infinity – Mossie – Motel Thieves – The Mound Builders – Mudfight – Mullen – My Dark Rift – My Latest Failure – Mynas – Myosotis –
