Carol - a joyful song originally New Year, which is today widely accepted form of Christmas songs (referring to Christmas). Usually kept in a religious convention, originally derived from the traditions of folk, later also composed by many prominent composers. Variety of Topics carols drawn from everyday life is called the Christmas song, which in contrast to the carols in the modern, everyday meaning of the word is not used in Christian religious services because of its secular character.
In the liturgy of the Catholic Church carols performed by the Mass at midnight on Christmas Day (night 24/25 December), the feast of the Baptism of the Lord (Sunday after 6 January). In the Polish tradition is allowed to sing their Christmas Presentation of the Lord (February 2). From contemporary carols (used in religious services) to distinguish the songs on topics related not with the birth of Jesus, but to the period commonly associated with Christmas, such as the Polish song is such a day, a German or English O Tannenbaum Jingle Bells and White Christmas. According to Christian tradition was the author of the first Christmas carols St. Francis of Assisi  and it was sung in an organized his crib. The oldest Polish carol is Healthy or angelic king of 1424, is the most famous carol Silent Night, which has been translated into over 300 languages and dialects. Established in 1818 in a small Austrian town in the Alps. Its authors were the vicar of the local church, Fr. Joseph Mohr and Franz Gruber, the organist.