If you do not really care about copyright things, checkout the following bands/songs.
I personally think they are meditative, but musical vibe is determined by personal interpretation, hahah.
[video=youtube;fuJ9m2eVYQ0]http://www.youtube.com/watch?v=fuJ9m2eVYQ0&feature=fvst[/video]
[video=youtube;w0o8JCxjjpM]http://www.youtube.com/watch?v=w0o8JCxjjpM[/video]
[video=youtube;SuDipDU0jCQ]http://www.youtube.com/watch?v=SuDipDU0jCQ[/video]'
[video=youtube;YdqT3MDAG2w]http://www.youtube.com/watch?v=YdqT3MDAG2w[/video]