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 sings the song if i could turn back time?" whose answer is Cher.
Each document should contain about 30 words, and these documents should contain useful information.

Query: "If I Could Turn Back Time" artist
Useful Output:

Doc 1: Cher - If I Could Turn Back Time (Lyrics) · Comments668.
Doc 2: 'If I Could Turn Back Time' is the lead single from Cher's nineteenth studio album 'Heart of Stone' released in 1989. The official video has
Doc 3: "If I could reach the stars, I'd give 'em all to you/Then you'd love me, love me, like you used to do/If I could turn back time"
Doc 4: The Official Audio for 'If I Could Turn Back Time' by Luke Evans. Taken from the new album At Last, which is out now:
Doc 5: If I Could Turn Back Time song by Cher. If I Could Turn Back Time. If  Composition & Lyrics. Diane Warren. Composer, Songwriter, Lyrics