A catechism is a handbook of religious instruction. The Catechism of the Catholic Church is the official statment of the Catholic faith and its implications.
The Lord's Prayer (sometimes known as Our Father or Pater Noster) is one of the best known Christian prayers. It appears in the gospels of Matthew and Luke as the teaching of Jesus.
The Hail Mary, also known as Ave Maria or the Angelic Salutation, is a prayer addressed to the Virgin Mary. It is a part of various Christian traditions, including Roman Catholicism, Anglo-Catholicism, and the Eastern Orthodox Church.
The Ave Maria has been set to music by various composers including Schubert and Cherubini.