An annual tradition in Danbury starts tonight.  The Danbury Music Centre’s 52nd production of the Nutcracker features 4 performances this year.  Tickets are still on sale for the shows.  The Danbury Symphony Orchestra will perform the music of Tchaikovsky. There are more than 200 dancers and snowflake singers in the cast.  The Snowflake Chorus comes out during the end of Act 1 and sing for just one scene.  They will also perform during intermission.  Executive Director Barbara Adams Jaeger says the performance showcases talented dancers from throughout the greater Danbury area.  Tickets can be purchased at the Danbury Music Centre on Main Street.  Tickets are also being sold online through their website.