I've never seen Rich mentioned here before so I thought I'd share a couple of his pieces that I enjoy a lot. He plays with a Southwestern flavor and seems to have been heavily influenced by Mexican music. He's also got a record he did with Norman Blake years ago. Great stuff.
'Under Fiesta Stars'
https://www.youtube.com/watch?v=LAYWa8m0oGs&list=PLxoA-SDB8Bpagg0uY_9WUzRXygVfomn9h&index=36'Santa Rosa Serenade'
https://www.youtube.com/watch?v=J35GxEIF2f8&list=PLxoA-SDB8Bpagg0uY_9WUzRXygVfomn9h&index=4