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: "Bleta "Bebe" Rexha, is an American singer, songwriter and record producer, and is best known as a featured guest vocalist on several "Billboard" Hot 100 charting songs, such as "Hey Mama" is a song by French DJ and which record producer?" whose answer is David Guetta.
Each document should contain about 30 words, and these documents should contain useful information.

Query: "Hey Mama" record producer
Useful Output:

Doc 1: Hey Mama · Kanye West. Late Registration. ℗ 2005 Roc-A-Fella Records, LLC. Released on: 2005-08-30. Producer: Kanye West. Producer: Jon Brion.
Doc 2: My cover of @RayLaMontagne's "Hey Me, Hey Mama" is out now! Prior to recording Long Time Coming, my producer Gary Paczosa & I went into his
Doc 3: @hey.MAMA's latest music video for @jarinademarco feat. @mediopicky is what happens when you mix their signature flair for chaos with a
Doc 4: NEWS: @emmanueljal 's "Hey Mama" music video with Check B is now out  Music Producer: Jesse Bukindu Back up vocals: @nyaruachmusic
Doc 5: Stream Hey Mama feat. Skiibii by Kelvin Boj on desktop and mobile  Atlanta based international music producer & artist 'Kelvin Boj