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: "Family Guy: Live in Vegas is a soundtrack album for the American animated television series "Family Guy", it  features vocals from which American actress, writer, producer, and comedian?" whose answer is Alexandrea "Alex" Borstein.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Family Guy Live in Vegas soundtrack vocalists
Useful Output:

Doc 1: Here is the full 'Family Guy Live: in Vegas' theme song! Instruments have been used to fill the melody in absence of voices.
Doc 2: I Personally think the album is amazing because of the jazzy arrangements and it sounds like it is actually live and not in a studio so cool
Doc 3: Arranged By, Orchestrated By – Walter Murphy · Conductor – John Elg · Contractor [Orchestra] – Murray Adler · Design – Giant2 · Engineer – Armin
Doc 4: Free Family Guy: Live in Las Vegas (2005) soundtracks, Family Guy: Live in Las Vegas (2005) MP3 downloads. Browse our great selection of
Doc 5: And having to voice Peter, Stewie, Brian the Dog, Quagmire, and Tom Tucker, MacFarlane is most prominently featured in the album with myriad