Apr 6 Johann Kuhnau, German composer and writer, born in Geising (d. 1722) Apr 19 Sebastián Durón, Spanish composer, born in Brihuega, Guadalajara, Spain (d. 1716) Apr 29 Matthias Henriksen Schacht, Danish scholar and composer, born in Visby, Gotland, Sweden (d. 1700) 1659 Birthdays in Music 1661