This sound is from Her Trailer

"Her" is a thought-provoking film directed by Spike Jonze, released in 2013. Set in a futuristic world, the story revolves around Theodore Twombly, portrayed by Joaquin Phoenix, who develops a strong bond with an intelligent operating system named Samantha, voiced by Scarlett Johansson. Their unconventional relationship challenges societal norms and explores themes of love, loneliness, and human connection.

If you're interested in diving into the mesmerizing soundscape of "Her," you can play and download the enchanting soundtrack composed by Arcade Fire. Experience the hauntingly beautiful melodies and evocative electronic compositions that perfectly capture the essence of the film. It's an auditory journey that amplifies the emotional depth of the story.