Events in Music Event of Interest Dec 5 Hector Berlioz's "Requiem" premieres ComposerHector Berlioz Birthdays in Music Dec 9 Émile Waldteufel, French composer, born in Strasbourg (d. 1915) Dec 25 Cosima Liszt, wife of Austrian composer Richard Wagner Dec 28 Benjamin Johnson Lang, American conductor and composer, born in Salem, Massachusetts (d. 1909) 1836 Music History by Year 1838