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: "how many songs are in la la land?" whose answer is 15.
Each document should contain about 30 words, and these documents should contain useful information.

Query: number of songs in la la land soundtrack
Useful Output:

Doc 1: La La Land's soundtrack does not only make Mia and Sebastian's journey richer, but it also tells a story on its own. Here is every song
Doc 2: The Oscar-winning La La Land is known for its love of music. Here's every song from the movie, ranked from worst to best.
Doc 3: The song encapsulates so much of the movie: I love how it recaps the entire story and seamlessly intertwines every single song about Mia and Sebastian.
Doc 4: In La La Land, the music isn't a reflection of the characters' emotion, but rather, it's their passion.
Doc 5: La La Land Soundtracks. Heartache. Playlist. 1:53:00. 34 Tracks. Sep 25, 2019. 686. 41. #Film#Music#Movie#Score#Romance#Piano