Does anyone know this song from Naruto Shippuden that plays in this video? I've been looking for the name of this OST, but I haven't had any luck finding it. It's the first one played here. It's also played on the 6:07 mark in episode 343.
It is an unreleased OST titled (for now) as "Konoha Peace Theme". 

It is said that the soundtrack will be included in the Naruto Shippūden: OST III.