The decline of corridos tumbados? Plus, more jazz from Felix

Some might call it whiplash, the way we sometimes zip from one genre of Latin music to another in our New Music shows. But I like to think of it as an expression of the richness and vitality of all music made under what is known as Latin music. This week's selections reinforce the idea that trying to identify this music under one heading is impossible. Let's just call it Good Music. Featured…