Just look at that cheerful chap up there. Pharrell Williams LOVES happiness, but he's already named a hit song after it, so where do you go from there? Well apparently you write a new one called 'Smile' and stick it in the Japanese bonus tracks of your newest solo album G I R L. That's right "bonus track". Now it isn't as hooky as 'Happy', and it probably won't launch as many dance parties worldwide, but even the blackest of hearts has to admit its spirit is at least a little infectious.

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