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 it's a long way to the top?" whose answer is AC/DC.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who sang it's a long way to the top
Useful Output:

Doc 1: AC/DC - It's a Long Way to the Top (If You Wanna Rock 'n' Roll) 1975.
Doc 2: It's a Long Way to the Top (If You Wanna Rock 'N' Roll) - AC/DC - Official Video (4K Remastered) · Comments15.
Doc 3: It's A Long Way To The Top (If You Wanna Rock 'N' Roll) by AC/DC This is an autobiographical song for AC/DC describing their struggles as
Doc 4: Official Lyric Video for "Long Way To The Top ( If You Wanna Rock 'N' Roll)"
Doc 5: Official audio for "It's a Long Way to the Top (If You Wanna Rock 'N' Roll)" by AC/DC Listen to AC/DC: https://ACDC.lnk.to/listen_YD