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Megadisc
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Melodic
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Melodiya / His Master's Voice
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Melted Recordings
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Mental Decay Records
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Merciful Release
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Mercury
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Messidor
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Meta4
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Method Records
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Metro
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Metronome
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MFS
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MGM Records
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Milan
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Minimal Maximal
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Minimal Wave
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Ministry Of Dub
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Mirex
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Mistlur
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Mobilee
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Modern Harmonic
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Moensterbox
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Monkeytown Records
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Moroz Records
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Morphine Records
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Morphius Records
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Moshé-Naïm