Songs currently stuck in your head

Umm Peanut Butter Jelly Time.
This one:
Now also this one:
Hip hip hooray for DNA!
It provides the key!

Yeah, we got shown this song as part of our undergraduate course.
Mostely one of these songs:
United States Of Eurasia - Muse
Crucify me - Bring Me The Horizon
and the tie break song from Mario Tennis... :/
The First Circle by Pat Metheny
Dos Cosas Ciertas by Ozomatli