Birthdays in Music Jan 9 Pavel Křížkovský, Czech choral composer and conductor (Sts. Cyril and Methodius), born in Kreuzendorf, Austrian Silesia (d. 1885) Jan 23 Alexander Serov, Russian composer & music critic, born in Saint Petersburg, Russia (d. 1871) Deaths in Music Jan 25 Joseph Franz Weigl, German cellist and early proponent of the 'thumb technique', dies at 79 1819 Music History by Year 1821