There are 4 bands called Sea of Trees: an indie rock band, a screamo band from Iowa, atmospheric black metal band from the Netherlands and a 2 man project from USA. 1. The Sea of Trees from the Netherlands creates atmospheric black metal since 2008. The actual Sea of Trees is a forest in Japan called Aokigahara, which is the second most popular place in the world to commit suicide. It is also known as the Suicide Forest.