A Scientist, inspired by the Dalai Lama, is studying happiness. Pick a theme song or comment on your choice.

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Happy Heart: Andy Williams
13%
Ode To Joy: Beethoven
18%
Glad All Over: Dave Clark Five
8%
Happy Jack: the Who
7%
Cheer Up: Bob Marley
45%
You've Made Me So Very Happy: Blood, Sweat & Tears
9%