The music is a nice touch.. use tiny drones to unique angles and use slow motion.. to emphasize the breath, do the same performance in a cold enough climate to SEE the vapor plume of the breath..
*In an app called Shazam:* It's part of (Relax Island) by James Wong - Children at Dawn _*This can be found in spotify but i have no account to confirm if it's the same one._ *In RU-vid:* It's part of an album (Seven Swords OST #16) by Kenji Kawai - Children at Dawn _However, the soundtrack used in this may be a remix anyway.. so I can't say for sure.. hope this helps_ :)