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: "In regards to the album that had, according to Dave Grohl, his favourite song he has ever written, when was it released?" whose answer is April 12, 2011.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Dave Grohl favorite song Foo Fighters
Useful Output:

Doc 1: However, despite Dylan's endorsement, Grohl's favourite of his own creations was 'These Days', released in 2011 as one of six singles on Wasting
Doc 2: Blending melancholic punk with classic rock, 'Generator' encapsulates the band's essence with its innovative talkbox and fervent guitar riffs.
Doc 3: In this video i talk in-depth about Dave Grohl and his Favorite Foo Fighters album! We look at the album, the standout songs on it,
Doc 4: Dave Grohl's 17 Greatest Non-Foo, Non-Nirvana Contributions to Music. Plus thoughts on the new Foo Fighters album 'Medicine at Midnight'.
Doc 5: In this post, we will explore seven of Dave Grohl's personal favorite albums. We'll find echoes of Punk, Hardcore, Heavy metal, pop,