I'm not quite sure what you mean by "theme song", but I think the song you are referring to is "Non, je ne regrette rien" by Edith Piaf.
The music for the "Inception" trailer was composed by Zack Hemsey, and this particular piece is titled "Mind Heist". here is the link to it:
the bird and the worm by the used
took me ages to find it but its (Foals - Spanish Sahara) :)
Sam Cooke: Trouble Blues
If I can hear the song playing in the trailer, I will be able to tell you which song it is. But, I am unsure of which exact trailer you are referring to. If you would like to contact me privately, and provide a link to the trailer, I will have a listen. --This answer will be edited and updated once more information has been provided.
Song at the end is "London calling" by The Clash
The song in the "Inception" trailer is called "Mind Heist" and it was composed by Zack Hemsey.
The song used in the "Clash of the Titans" trailer is "The Bird and the Worm" by The Used. It was specifically created for the trailer and is not an original soundtrack in the movie.
The song used in the trailer is "I'll Try Anything Once" by The Strokes.
the song used in the trailer is grit pluse by methodic doubt
The song used in the trailer for the movie "Remember Me" is "Nothing and Everything" by Red.
The song that is used for the second part of the trailer is "Immediate Music" by the band Worlds Apart. (Loto Sakurambo)
Its the song The bird and The Worm by the used.
the bird and the worm by the used
The theme song used for the trailer of the premiere of "The Adventures of Tintin" by Pixmovies is "False King" by Two Steps from Hell.
took me ages to find it but its (Foals - Spanish Sahara) :)
Without you- David Guetta
Linkin Park- The Cataylst