I could walk through town for hours and still absorb the blessing that is the South's love of nature. The city is built while embracing the trees and keeping its people in calm, cool shade.
Summers are hot, but that's the South in general, isn't it? It's not nearly as bad as South Carolina or Georgia, since there's just a bit of mountain conditions that roll down to the area. Snow isn't much of an issue, but it doesn't happen from time to time.
Living in Lebanon, TN is one of the more convenient ways to get access to Nashville without dealing with city traffic or the overblown housing costs. There's a lot of small town charm that can be immediately traded in for glitz and glamour with Nashville's music lifestyles, and it's a lot easier to go from quiet city to big city than the other way around.
The best areas in Lebanon, TN would be the Don Fox Community Park and the area around Cumberland University. A bit further south from Cumberland are a few restaurants to enjoy, and heading west will take you to Mt. Juliet and Nashville.