Feelin' Bad Blues Sample Lesson Sample - A lesson on the style of Ry Cooder. This song is best remembered from the movie "Crossroads." For this song you will need a slide and you will need to be in open D tuning. At the beginning of the lesson the song is demonstrated completely, then you are talked through getting to open D tuning, and then you are taught the song phrase-by-phrase, completely "by ear."