Recommend me some happy music

Bishop Allen
Owl City
Clor
DJ S3rl
The Futureheads
Jens Lekman
The Helio Sequence
The Mary Onettes
Soundtrack To Our Lives
Plaid
Sabrepulse
Xinon
Someone Still Loves You Boris Yeltsin
Sambassadeur
Teitur
Tycho
Captain Everything
Re-con
Swimming With Dolphins
Elysian Piers
There Is Hope
Your Dark Side Is On The Phone
Swan Lake
Ulrich Schnauss
Noah Woods
Fanfarlo

Well it makes me happy at least, you got a whole range of genres there hardstyle, indie pop, melodic punk, 8-bit, IDM, folk-pop, ambient and so on, so you should like at least some of it.