Number of weddings per year?

A contemporary American wedding ceremony, most often held in a church, typically begins with 20-30 minutes of prelude music. This generally includes reflective pieces such as Bach's "Jesu, Joy of Man's Desiring". Use of string quartets and harps have in modern times increased in popularity, sometimes replacing the customary organ. After the prelude, there is generally special music for the seating of the mothers and grandmothers. A popular selection in the United States is the Canon_in_D by Johann Pachelbel. Then the bridal party (bridesmaids) proceeds down the aisle, followed by the bride -- often escorted by her father. They arrive at the church altar where the groom, groomsmen and minister are assembled. This bridal march is accompanied by a processional tune. For over 100 years the most popular processional has been Wagner's Bridal Chorus from Lohengrin (1850), often called "Here Comes The Bride." This has been historically played by an organist. Since the televised wedding of Lady Diane to Prince Charles, there has been an upsurge in popularity of Jeremiah Clarke's "Trumpet Voluntary," aka The Prince of Denmark's Marche, formerly attributed to Clarke's teacher, Henry Purcell.