This is the 2nd video of " Electro-Acoustic Upright Bass Jam" . I always like to create drum patterns even if it is without any purpose. And in this video series, I would like to explore something musically while jamming.... Recently, I'm wondering if I could to create rhythms with different sounds instead of using  drum kit sounds..., so I took a pattern that was originally created with normal drum kit sounds and changed it to some kind of ethnic instrument kit sound. And it sounded like a " World Beat " I like it and I took it. I feel this kind of mood was by rock musicians in the 80's as there experiment work but I think it could be interesting if we retake them as one of  contexts of jazz.... I'd love to push this feeling a bit further. On the technical side...  I tried to create the "main riff" also works as the "theme" of this tune. So the bass riff can also work  as the main motif. ( I'll define the word " Riff " ...