In every walk with nature, one receives far more than he seeks.
Musical Hikes? I first heard about this concept when the Boulder Philharmonic was visiting the D.C. area and they did a bird-themed musical nature walk. The Boulder Phil has a whole "Nature & Music" program, with free guided hikes paired with music by the Phil.
There are more:
Utah's Moab Music Festival says:
Our first Music Hike requires concert goers to make a vigorous early morning hike of 30 minutes into a spectacular natural concert setting, and to hike out, invigorated by an hour of intense listening. This program features five of our virtuoso musicians performing new 21st century music framed by the power of works by Brahms, Barber and Bach. Saturday, September 1, 2018
Connecticut has Hike to the Mic:
Hike to the Mic -“Music and Arts Happening” that once again will reward hikers to the Heublein Tower with great musical entertainment, food vendors and family fun. Saturday 8/18/2018 and Sunday 8/19/2018.
Have to include a song! From The Hike Sessions: