The Chronicles of Narnia: The Voyage of the Dawn Treader Official Trailer

music starts at 1:22 is composed by

Two Steps From Hell and the title is Heart Of Courage (Choir)

Inception trailer (music by Zack Hemsey )

amazing music from that trailer was composed by great Zack Hemsey :) and the title is
Mind Heist

Eclipse ( final) Trailer

second song is called Underworld, by Two Steps From Hell and the first is Rising Force also by Two Steps From Hell

Enjoy!