The Friday Brain-teaser from Credo Reference

The Friday Brain-teaser from Credo Reference - this week: New Year. Answers here.

Now that we are into 2009, here is a brainteaser about New Year, and events and traditions associated with it:

1. What is a "New Year's resolution"?
2. Which Irish rock band's "New Year's Day" reached the British Top Twenty in 1983?
3. What is the name in Scotland for New Year's Eve?
4. "New Year Letter" (1941) - which was called "The Double Man" in the USA - was the first of which British poet's American books?
5. It wasn't until 1752 that Britain and its possessions accepted January 1 as the beginning of the year - true or false?
6. What is the first line of the Scottish song "Auld Lang Syne", customarily sung on New Year's Eve?
7. In China, what happens to people's ages at the Lunar New Year?
8. Which American country singer died in the early hours of New Year's Day 1953 in the back of his car on the way to an engagement in Canton, Ohio?
9. On which day do believers in Druidism celebrate the "New Year for Trees": December 23, December 31, or January 1?
10. Which English composer's operas included "New Year" (1989)?