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: "The Entertainer references what other song, released in 1973?" whose answer is Piano Man.
Each document should contain about 30 words, and these documents should contain useful information.

Query: The Entertainer 1973 song reference
Useful Output:

Doc 1: Butch & Sundance try their hand at being con artists. The song has been shortened. I think it flows better this way.
Doc 2: The Sting is the story of a con; “the sting” is part of a con. We love con artists, scammers. We think it's new, but it's old. A liar,
Doc 3: The Entertainer (1973 The Sting) Scott Joplin Piano Solo · Comments81.
Doc 4: The Entertainer is one of the most popular ragtime pieces. The song was composed by Scott Joplin and originally published in 1902.
Doc 5: A verse in Billy Joel's song "The Entertainer" references the shortening of Joel's song, "Piano Man", from 5 min 40 sec to 3 min 5 sec to fit a radio slot.