we have all sorts of percussion instruments and we begin to play around with the guitar in a way that actually one does not, with pieces of glass, pieces of wood and just recording and some of them ended up being part of our composition for bmw. you see how the sound, it's much smoother. a little more metallic maybe. yes. tubular, tubular bells, that's the right word. it is not being rough on the exterior. it is more like an introverted kind of driving. as compared to the sports sound, where it's more extroverted. it's pushing. it's pushing much more.