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 it's been a long time coming?" whose answer is Sam Cooke.
Each document should contain about 30 words, and these documents should contain useful information.

Query: "It's Been a Long Time Coming" singer
Useful Output:

Doc 1: Provided to YouTube by Lucky Planets It's Been a Long Time Coming  Tom Jones 7 Songs. kri shna•3.4M views · 15:14. Go to channel · Body
Doc 2: “It's been a long time coming, but I know a change is gonna come.” Singer-songwriter Sam Cooke was born #OTD in 1931.
Doc 3: “It's been a long time coming, but I know a change is gonna come.” Singer-songwriter Sam Cooke was born #OTD in 1931. Cooke's song, “A
Doc 4: Delaney & Bonnie - It's Been A Long Time Coming · Comments1.
Doc 5: Keywords: It's Been a Long Time Coming song, new RnB music release, listen to RnB tracks, soulful melodies, contemporary RnB songs, latest