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| Austrian organist and composer Klaus Lang| Composer Klaus Lang. About the phenomenon of time in music. (frame grab, 0:57)| Moscow Conservatory| [{Image src='https://www.austria-forum.org/cc/images/slim/by.png' alt='CC BY 3.0' align='center' link='https://www.austria-forum.org/cc/by-30.html' target='_blank'}]| Datei:Klaus Lang, October 2019.jpg
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