You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did party like it's 1999 come out?" whose answer is 1982.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did Party Like It's 1999 come out
Useful Output:

Doc 1: From the Prince song called 1999 and released in 1982. The song uses the phrase in reference to a nuclear apocalypse predicted to occur in the year 2000.
Doc 2: Prince made an awesome album called “1999” in 1982. The title track contained the lyrics “so tonight I'm gonna party like it's 1999”, which was
Doc 3: 00:00 • Introduction - Party Like It's 1999: Understanding the Phrase 00:36 • The Origin of the Phrase 01:12 • The Y2K Connection 01:44
Doc 4: The expression comes from the Prince song “1999”, released sometime in the early 80s.  it meant…let's party, because when the millenium comes
Doc 5: The song "1999" was released in 1982. Prince had been making records for a few years to rave reviews but one of his first singles to hit.