Many of these songs kick butt, also make me happy and inspire me and are on the spiritual side.

"Beautiful Day" U2
"Heavenly Day" Patty Griffin
"Saturday in the Park" Chicago
"Life is a Highway" Rascal Flats
"Oh Happy Day" Queen Latifah
"Nights on Broadway" Bee Gees
"I Wish" Stevie Wonder
"Everything" Michael Buble
"Haven't Met you Yet" Michael Buble
"Steer" Missy Higgins
"Another Sunshine" Adam Ezra
"Closer to Fine" Indigo Girls
"Jesus take the Wheel" Carrie Underwood
Most of Elvis's gospel music, How Great thou Art, etc.

Love the Iron and Wine cover! I find it is quite haunting.