Great Marsh - Pokémon Brilliant Diamond and Shining Pearl OST (HQ)
Channel: PokéVGM - Pokémon OST's
Date: 2024-04-08

Check out the full soundtrack here in this playlist!
https://www.youtube.com/playlist?list=PLXUTcBGGsnjNiqExEloCYZIxtj8YNzbD_