Music moves, music soothes and most important, music can improve your mood. Press play on these happy songs for a boost of cheer. The power of music is no joke—it can affect our mind, body and mood.

You would think happy people would prefer to listen to happy music. Lyrics that speak to their positive mood, bringing them cheer and joy. Yet, sad music tends to have a longer-lasting appeal for many ...

Last year, on her "Harlequin" album, Lady Gaga belted out a song that was nearly a century old: "Forget your troubles, c'mon, get happy. You better chase all your cares away. Sing 'hallelujah,' c'mon ...