The Importance of Video Games Openings

I Just Replayed Tekken 4 & 5 After Years and Dude I Forgate How Amazing The Openings of This Games Are With That Banger Music , It Just Gave You a Feel "yeah This Shit is Rock". And it's Something That You Don't See That in Modern Games They Don't Bother Themselves To Even Introduce The Game To Player , or another Example Is Openings of Dark Souls 1 I Mean I need to Say Something? to tell How Well They Show The Maine Bosses and That Iconic Ring?

It's My First Blog I Hope You Like it and you Tell me What Openings Is so Iconic and Good?