Great movie, definitely worth watching. Shoot, it's even worth paying for! LoL!
Another one is It Might Get Loud, which I stumbled across on you-tube a few days ago and watched again - for the first time in many years.
The scene where Jimmy Page is spinning an old vinyl copy of Link Wray's Rumble and so obviously loving every minute of it ... that just says it all for me! There's a guy that gets it! Made me smile from ear to ear!