I'm a classical music nerd, and there are a LOT of German composers I admire (even if you leave out the many German-speaking Austrians). Many of them seem to be grouped in clusters.
Johann Sebastian Bach, his son Carl Philipp Emmanuel Bach, and CPE Bach's godfather Georg Philipp Telemann.
Ludwig van Beethoven, obviously. I used to use an avatar of Schroeder from "Peanuts" on WP, 'cos he loves playing Beethoven.
Robert Schumann, his wife, Clara Schumann (who was also a composer) and their friend, Johannes Brahms.
Felix Mendlessohn-Bartholdy and his sister, Fanny Hensel, who was also a composer.
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