Anyone know what this song is called??????!

Its on a car ad and the ad shows things like whale in a tank, dog trying to get off the chain, its things longing for release, and the song has a bit in it that goes its quite a beautiful ad, and then it shows the car and that ruins it But back to the point does anyone know what the song is called, its quite a slow song plz help coz i love that song and i wanna get it
thanks so much for helping!!!!!!Www@Enter-QA@Com

---

---