Birthdays in Music Apr 7 Georg Wenzel Ritter, composer Apr 20 Georg Michael Telemann, German composer, born in Plön, Germany (d. 1831) Apr 20 Guillaume Albert Teniers, Flemish composer, born in Leuven, Belgium (d. 1820) Apr 28 Lorenz Justinian Ott, German composer, born in Dietfurt, Germany (d. 1805) 1747 Music History by Year 1749