I think you're a Contra.

con·tra

¹   [kon-truh]

–preposition

1. against; in opposition or contrast to: 
Consider the problemsof the teenager contra those of the adult.

–adverb

2. contrariwise; on or to the contrary.

con·tra

²  [kon-truh; Sp. kawn-trah] 

–noun, plural 

(often initial capital letter) a member of a counter revolutionary guerrilla group in Nicaragua.

I really love Vampire Weekend's last album, and yes I know I'm saying this a little late, but it's so nice and summery. It makes me want to dance around the living room smiling.

Similarly I get that feeling with The Drums' EP Summertime, it's music that makes me feel happy as larry. 

sum·mer·time

 [suhm-er-tahym] 

–noun

the summer season.