On this day, 344 years ago, on March 14, 1681 (January 25, 1681 lunar calendar), the German composer Tellermann was born. Tellermann (1681-1767) German composer and organist. Born in Magdeburg on March 14, 1681, and died in Hamburg on June 25, 1767. Born in a priest's family. At the age of 10, he learned violin, flute and keyboard instruments. At the age of 12, because his mother confiscated all his musical instruments, he devoted himself to studying the scores of famous artists, analyzing musical forms, harmony, comprehending the principles of composition, and experimenting with composition. In 1700, he entered the University of Leipzig to study law and literature. Occasionally, his works were discovered by his classmates, and his audition performances were well received. The mayor of Leipzig was astonished as a genius and ordered him to compose an oratorio every two weeks and put it into performance, which made him famous. He presided over the "Society of Friends of Music" at the university, and played in his spare time, pioneering the musical atmosphere in European universities. He was hired as musical director by the Leipzig Opera House in 1702, and as organist of the new church in 1704, and performed his sacred oratorios, chamber music and operas. In 1721 he was appointed president of the Hamburg Cathedral. Telemann is recognized as one of the authoritative composers of the mid-18th century. He is considered a bridge and an important transitional figure between the Baroque period and the emerging classical school. He is also an authority and influential music educator in music theory. He organized various forms of concerts so that church music could also be performed in secular concerts, breaking the boundaries of religious music not leaving the church, and thus popularizing music. Telemann was a composer who achieved outstanding achievements by self-study, which is rare in the history of music. He was a prolific writer. In 1739, according to his own statistics, he composed more than 600 overtures, trios, concertos, Hapsikode and choirs, more than 40 operas and oratorios each, and more than 100 ceremonial pieces. He lived for another 28 years, and the total number of works cannot be determined. It is still being excavated and published. Some people place him alongside Bach.