That would be Smoke Signals, the 1998 Indian-made movie about two young men on a road trip. The film is funny, sad, deeply human, and infused with a singular Indian irony. The two leading characters are 20th century incarnations of the native archetypes of Warrior and Shaman, and their tale is a classic epic of spiritual growth.
Not least, the movie is delightful because of the soundtrack. There is no genetic explanation for this, as I am pretty homogeneously Anglo-Celtic, but I have always found American native music deeply moving, all high pitched wailing floating above a deep percussive backbeat, and the tunes in this film, both traditional and contemporary, are beautiful. But enough; here is the trailer:
And here is an example of the more contemorary sort of Indian music: