The film shows up every once in a while on Youtube, but it isn't there now. I also can't find a trailer. Here's one of the songs from the movie:
DVD Talk calls it one of Autry's best and "a must-have for anyone that's a fan of classical Hollywood cinema, especially fans of movie Westerns" and says
Tumbling Tumbleweeds was a bona fide phenomenon in rural America; its influence cannot be overstated. It remains one of the most profitable movies ever: it cost just $12,500 (a pittance even by 1935 standards) but reportedly grossed around $1 million. Watching the film even today it's easy to see why.