I had never heard “Castle in the Sky”
but this morning a medical article mentioned it as “very relaxing to sick and fearful patients”

https://www.youtube.com/watch?v=QoHj94hzDTY

guitar version

https://www.youtube.com/watch?v=H1wtz34cwFA

Medical article about enhanced healing role in “Music Therapy”

https://medicalxpress.com/news/2023-12-potentially-unique-acoustic-features-music.html