Name of soundtrack please...

[Optimistic]

If you know which artist plays this tune it'll be really helpful too.
[video=youtube;utLWiscq8d4]http://www.youtube.com/watch?v=utLWiscq8d4&list=FLwrKk3TwiFOYpR-vRPe8CGw[/video]

 

[Dafty]

Jen Halle? Da fuq??

OT: Sorry Yata, can't say I know it, Bepop is awesome though, isn't it?