Birthdays in Music Apr 4 Bettina von Arnim, German writer and composer of the Romantic era (This Book Belongs to the King), born in Frankfurt, Germany (d. 1859) Apr 19 Alexandre Pierre François Boëly, French composer, born in Versailles, France (d. 1858) Deaths in Music Apr 26 Karl Siegmund von Seckendorff, German composer, dies at 40 1784 Music History by Year 1786