Look what I found on IMDB! I never knew this!
“The soundtrack reflects the natural vs. man-made nature of the scene. For example, the opening song “Thneedville” describes the thoroughly artificial town with completely electronic music. Meanwhile, the finale “Let It Grow” and the planting of an all-natural tree is made with almost all acoustic instruments. “Let It Grow” even includes a capella choral music, i.e. with no man-made instruments at all. ”
The films don’t mention it, but when Aragorn helped the Hobbits escape the Nazgul at the beginning of Lord of the Rings, he was age 87. Being of Númenórean decent, this was the prime of his life. He died at the age of 210, after 122 years as king.
*(You guys rock, I never noticed that. Makes me like TTT a tiny bit more now.)