Composer: Miwako Chinone
Publisher: Capcom Co., Ltd
Obviously not owned by me, I just clipped this from a livestream. Monster Hunter is owned by Capcom, and I'm just a fan who loves the music.
The name is not set in stone in English but in Japanese it is 美しき世界の理」which can be translated as "The Truth of a Beautiful World". Its official English Name is now The Beauty of Nature.