Michael Wagener (born April 25, 1949) is a music producer, mixer, and engineer from Hamburg, Germany, best known for his work with many top hard rock and heavy metal bands in the late 1980s. He is particularly renowned for his innovative multi-amping and reamping techniques, which allow him to shape complex, yet highly recognizable guitar sounds. Wagener's works have sold over ninety-four million albums worldwide.Wagener was the original guitarist for the German band Accept.