Need piano arrangement snippets

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Job Description

Hi,

I need a total of 60 short-duration piano arrangements with the following requirements:

- Duration about 15 seconds;
- Arrangement should be in this style: http://www.youtube.com/watch?v=ACU7tgqvqbk
- You should fade out the end of the snippet;
- mp3 format;
- You should provide a document stating that you designed all the song by yourself.
- The arrangement should be about the chorus of song.
- The songs for the arrangements are the following:

First 10:

1. "Call Me Maybe," Carly Rae Jepsen
2. "We Are Young," Fun.
3. "Somebody That I Used to Know," Gotye (featuring Kimbra)
4. "What Makes You Beautiful," One Direction
5. "Starships," Nicki Minaj
6. "We Are Never Ever Getting Back Together," Taylor Swift
7. "Mercy," Kanye West (featuring Big Sean, Pusha T and 2 Chainz)
8. "Gangnam Style," Psy
9. "Glad You Came," the Wanted
10. "Payphone," Maroon 5

The remaining 50 are (see link):

http://www.billboard.com/charts/year-end/2013/hot-pop-songs

If you are interested, please reply to this with an audio-sample of this kind of arrangement.