When the art forms of music and cinema come together and create an unforgettable moment, audiences are mesmerized by the emotion that is captured on screen. These musical movie moments have helped to define cinema history from Celine Dion singing, "My Heart Will Go On" to "Somewhere Over The Rainbow" music and cinema is a perfect match.

This years Oscar nominations have been released and the original song category features a range of music. From U2's power rock ballad for Mandela: A Long To Walk To Freedom to the soundtrack that has already earned two weeks at number one on the Billboard charts, Frozen, this is was a great season for music at the movies.

TheCelebrityCafe.com is going into detail about the top five nominees for best original song this year. From Frozen to Her these songs have made a lasting impression in the music and film world. Which original song do you think deserved a nomination? Comment below and add your favorite.

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5. Alone Yet Not Alone - Alone Yet Not Alone

"Alone Not Yet Alone" was performed by Joni Eareckson Tada and is a surprise nomination. This song beat out heavy favorites like Coldplay's "Atlas" from The Hunger Games: Catching Fire.

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4. Let It Go – Frozen

At this point in the Oscar race, "Let It Go" is a strong favorite. Frozen has taken over the Billboard charts with two weeks at number one, this is the first movie soundtrack to accomplish this since Dreamgirls. "Let It Go" is taking over the music industry and has fans ranging from young children to older adults.

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3. Happy - Despicable Me 2

Pharrell brought this single to life and "Happy" fit in effortlessly with the family friendly sequel, Despicable Me 2. This was a song that was featured on many short lists for the original song category this year.

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2. Moon Song - Her

Her has certainly being gaining attention around award season but mostly for Spike Jonze vision and the acting featured in the film. Now the music is being recognized with a nomination for "Moon Song."

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1. Mandela: Long Walk To Freedom – U2

U2 was also a strong favorite for the original category, they captured the power and inspiration behind Mandela with this power rock anthem. U2 has said that they were honored to be able to write and perform this song for the film.

image: Wikimedia Commons