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: "who wrote best day of my life lyrics?" whose answer is Shep Goodman.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who wrote the lyrics for "Best Day of My Life"
Useful Output:

Doc 1: How Zac Barnett wrote Best Day Of My Life by American Authors | I F'N Love That Song Podcast - EP 5 · Comments7.
Doc 2: Follow the official 7clouds playlist on Spotify : http://spoti.fi/2SJsUcZ ​ American Authors - Best Day Of My Life (Lyrics) ⏬ Download
Doc 3: The Best Day of My Lifeはどこでみれる？ Choreographing to Best Day of My Life · I Had A Dream So Big and Loud Guy Singing Original · Best Day of
Doc 4: Discover the uplifting lyrics of 'Best Day of My Life' by American Authors and what makes it special!See more videos about Best Day of My
Doc 5: NEWEST INDUCTEE INTO CANADA'S SONGWRITERS HALL OF FAME SINGER-SONGWRITER MARC JORDAN RELEASES NEW SINGLE “BEST DAY OF MY LIFE”.