This is that riff that blues singers use. You sing something then play it. (many times) you can play it on almost any 2 strings, or play it in power chords. I think it sounds the best this way. |-----------| |-----------| |----2-0----| |--2-----2--| |-----------| |-----------| Here's a way to play it on a harmonica. s - suck b - blow 5b 6s 6b 5b That's all folks! have fun!