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 sang the song old man look at my life?" whose answer is Neil Young.
Each document should contain about 30 words, and these documents should contain useful information.

Query: "old man look at my life" singer
Useful Output:

Doc 1: Old Man, Look At My Life…  Neil Young shows us all from his song Old Man that some young men in life have same taste in life as old men. Neil
Doc 2: “Old man look at my life,” goes the song's famous refrain. “I'm a lot like you were.” “Old man, take a look at my life, I'm a lot like you
Doc 3: 1970) covering “Old Man,” a 1972 song by Canadian rock singer-songwriter and guitarist Neil Young (b.  Old man, look at my life. I'm a lot like
Doc 4: Neil Young | Old Man • Tribute. 1K views ; Old Man. 2.8K views ; Old man look at my life，I'm a lot like you were. Neil Young #music #vision#artist.
Doc 5: "Old man look at my life" - Photos of Neil Young and His Inspiration by Henry Diltz. Neil Young at Broken Arrow Ranch - 1971. Photo by