and Deep House Relax is my go-to playlist for that. There are many Spotify playlists for concentration and background music.
Nature sounds, ASMR and even white noise have all ... which is the one that helps the body relax and function in normal circumstances, and is sometimes referred to as the 'rest-digest' response.
A bit surprising is that Native American, Celtic, Indian stringed-instruments, drums, and flutes are very effective at relaxing the mind even when played moderately loud. Sounds of rain, thunder, and ...