Michael Raucheisen (10 February 1889, Rain, Swabia - 27 May 1984, Beatenberg) was a German pianist and song accompanist.
The musical development of his only son was so important to the family that they left the small town in which they lived.
From the beginning of the 1920s until the end of the Second World War he was song accompanist for many singers, including Frida Leider, Erna Berger, Hans Hotter, Elisabeth Schwarzkopf, Karl Schmitt-Walter, Karl Erb, Heinrich Schlusnus and Helge Rosvaenge, to mention only a few of the most prominent figures.
As an innovation he played his accompaniments with the piano lid open, in order to obtain a better tonal balance between the voice and the instrument.
[1] After the War he was banned from his work for some years on account of his collaboration with the Nazi regime, and afterwards he appeared only occasionally in public.