It's really popular...what is this song called?

Question

It's like:

"Woke up....this mo-o-orning...thinking about....'bout you-o-o-ou...
singin'....yo-ooouu..."

That's all I know....but.... for those of you with an instrument near by....
(fast desending tripolets) > G-D-B G-D-B G-D F-D-A F-D-A F-D F-D-A F-D-A F-D E-C-G E-C

Answer 1

i have no idea.... sorry.

Answer 2

no clue