Breakdown of ankooru o tanomou.

Questions & Answers about ankooru o tanomou.
を is the object marker.
It marks アンコール as the thing being requested.
So the structure is:
- アンコール = encore
- を = marks it as the object
- 頼もう = let’s request / let’s ask for
A very literal breakdown would be:
- encore + object marker + let’s request