Wales and St. David's Day

Today Welsh people celebrate St. David's Day. If you don't know a lot about this saint or Welsh traditions, just follow the link and then answer the questions.
St. David's Day

1. What are the three Welsh national symbols?
2. Select three important details about St.David's life.
3. Do Welsh people like singing? Explain your answer.
4. What are the two colours of the traditional Welsh costume for boys?
5.What is an "Eisteddfod"?
6. Explain one of St. David's miracles or legends.