I'm not sure that's right. The pentatonic is the most popular scale in folk musics, but folk musics usually use very few chords. The basic 12 bar blues has 3 ch

I'm not sure that's right. The pentatonic is the most popular scale in folk musics, but folk musics usually use very few chords. The basic 12 bar blues has 3 chords, and they're usually played as major chords or dominant 7th. But soloing over it with the minor pentatonic sounds great.