Isis - Wavering Radiant (full album, 2009)
https://www.youtube.com/watch?v=-BEry34VaKY
sadly the final album from Isis, one of the best post metal bands you can explore. awesome backcatalog, not one album not worth checking out if you have an ear for hard, precise rhythms, mellow twists and unexpected turns. if you like "Meddle" from Pink Floyd, you'll love them, too.