The mood is mostly upbeat. It is also very calming, in the background, there are some girls singing a smooth melody! What I mean by upbeat is that the song use has good instruments to get a good rhythm. While listening to the song you would most likely feel like you would want to move around. It is not the type of song to make you want to "Do the Harlem Shake". The song is also particularly old.
Without the excerpt this question is invalid
Adversary
It means one's opponent in a contest, conflict, or dispute.
For where oh where i dont know i think it might be...
I would say Self centered but if not maybe curious . I do not know much about the text