Carl Nielsen was a Danish violinist, composer, and conductor. He is widely regarded as the most important Danish composer of all time. Nielsen also taught music at the Royal Academy and served as its director in 1931. Thanks to his teaching career, he has had considerable influence on Denmark's classical music. Among his pupils were Thorvald Aagaard and Harald Agersnap.
Claus Norreen is a Danish musician, record producer, and songwriter. He is best known for his association with the popular band Aqua. He released three albums with Aqua before leaving the band in 2016. Claus Norreen has also released a couple of singles and remixes.
While some scholars believe Dieterich Buxtehude was born in Denmark, others claim he was from Germany. The composer and organist was a significant figure of the Baroque period and had Johann Sebastian Bach as his student. As a church musician, he also composed for family events and festivals.