Long, significant song

Greetings to all Rock and Roll crossword lovers! It is time for your today's puzzle.
First let us search for the answer to the given "Long, significant song" clue and then gather all the possible hints that will help us solve the Rock and Roll puzzle.
We will also gather information from all other sources that will help us solve the given "Long, significant song" clue.

And the answer we have finally found is:
Answer: EPIC
Crossword Date5 November 2017

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