yes, but you have to buy the whole Narnia album
It's sung by Regina Spektor. The song is 'The Call'.
Regina Spektor composed it :)
http://modernpianomusic.com/free-sheet-music-for-the-call-by-regina-spektor/ (its a pdf file)
Regina Spektor's song "The Call" is featured in the soundtrack of the 2008 film "The Chronicles of Narnia: Prince Caspian."
Regina spektor- the call
The Call by Regina Spektor!
http://www.lyricsmode.com/lyrics/r/regina_spektor/the_call.html
The first song played in the end credits of the movie "The Chronicles of Narnia: Prince Caspian" is called "The Call" by Regina Spektor. It was written specifically for the movie and captures the essence of the story and characters.
It's about following your life's purpose and doing what you were meant to do.
http://www.musicnotes.com/sheetmusic/mtd.asp?ppn=MN0066210
You have to wait for the artist to place the song on their offical (or unoffical) myspace.
There is my favorite song "The Call" by Regina spektor. Check it out. It amazing! She also sings "Laughing With"