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 the song free bird come out?" whose answer is 1973.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was free bird by lynyrd skynyrd released
Useful Output:

Doc 1: Free Bird was eventually a hit in 1974, more than a year after it was originally released. Today, more than 40 years after Ronnie Van Zant
Doc 2: The single originally appeared on their 1973 debut album, reaching No. 19. Since then, it's become a standard for fans to shout out by name
Doc 3: “Free Bird” is a classic rock song by the American band Lynyrd Skynyrd, released in 1973. The song is known for its soaring guitar solos,
Doc 4: Released as a single in late 1974, Free Bird became the band's second Top 40 hit on the Billboard Hot 100 chart in early 1975, where it peaked
Doc 5: The song was released on their 1973 debut studio album. Released as a single in November 1974, "Free Bird" debuted on the US Billboard Hot 100 on November 23 at