Grammy-winning singer, songwriter and producer Matthew Koma with his AEA R88 stereo ribbon microphone. Photo credit: Brynn Osborn. Pasadena, CA (June 23, 2026)—Grammy-winning singer, songwriter and producer Matthew Koma leaned heavily on the AEA R88 stereo ribbon microphone while producing the latest album by his wife, Hilary Duff. Koma, known for collaborations with artists including Zedd, Shania Twain and P!nk, and for his band Winnetka Bowlin…
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