"Calm Forest" is a songbook for beginners and intermediate players who wish to learn how to play Native American flute. The book starts with introduction that covers breathing and playing techniques. Then, it explains basic decorations such as grace notes or thrills and describes the pentatonic scale of Native flutes. In addition, "Calm Forest" contains 20 original songs in tablature notation. Simple graphical instructions explain which holes must be covered on a flute to play the songs in proper order, there's no need to read music notation at all. Each song is linked so you can listen to real recordings for free as well, which can further help you with learning the art of Native American flute.