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Sebald Heyden, German musicologist and theologian (died 1561)
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Sebald Heyden
German musicologist, cantor, theologian, hymn-writer and religious poet
Sebald Heyden was a German musicologist, cantor, theologian, hymn-writer and religious poet. A member of the Haiden family of Nuremberg, he is perhaps best known for his De arte canendi which is considered to have had a major impact on scholarship and the teaching of singing to…Source: Wikipedia (CC BY-SA)
December 18
Day of the year
December 18 is the 352nd day of the year in the Gregorian calendar; 13 days remain until the end of the year.Source: Wikipedia (CC BY-SA)