In complete seriousness, whomever is editing the trailers for Marvel's Guardians of the Galaxy deserves a gold star. The very careful craftsmanship of the original trailer and now the recently revealed second trailer are going above and beyond to convey the tone and quirk of the series in their short amount of time.
Yesterday, Marvel released a second trailer that gives us our first listen to Groot's voice, let's Rocket do a little talking, and introduces us to "Awesome Mix #1" which presumably will be on a constant loop in my car if someone clever at Disney/Marvel releases said mixtape to the public.
Here's that trailer for your viewing pleasure: