Quick answer — Kousuke Yamashita worked on Chihayafuru 3 (Music), Chihayafuru 2 (Music), Chihayafuru (Music) and 7 more anime.
Kousuke Yamashita worked on Chihayafuru 3 (Music), Chihayafuru 2 (Music), Chihayafuru (Music), The World is Still Beautiful (Music), Shion no Ou: The Flowers of Hard Blood (Music), A Gentle Noble's Vacation Recommendation (Music), Digimon Xros Wars: The Evil Death Generals and the Seven Kingdoms (Music), Digimon Fusion (Music) and 2 more.