This is a fan made audiobook and is as described. The immersive soundscape experience involves background sounds, chatter, music and more. It's genuinely a great peice of work especially for an enthusiast's effort.
It may be removed by youtube soon, so here is an alternative link: https://castbox.fm/channel/Harry-Potter-|-Immersive-Soundscape-id5488497
Dive into Harry’s second year at Hogwarts with an immersive soundscape audio experience of the story by J.K Rowling - for those who like the movies, games and books, and want a little of both!
Narration, voices and edit by me.
Music by John Williams, Jeremy Soule, J Scott Rakozy, Chuck E. Myers, Peter Murray and special thanks to Brigid Kaelin for her amazing musical saw orchestra! You can find her channel here - / @brigidkaelin
In his own words lol:
https://manual.calibre-ebook.com/conversion.html