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Two different approaches of Multipath are presented here. First, in the two related pieces, coherent waves travel along two different constantly changing paths. The output of this system then goes through a set of sound processing procedures. The first study uses a cyclic sound design as the basis and a reverberated rhythm in the back. The second study uses an apoapsis of frequencies as a foundation for the whole work, and the morphing clusters are mixed with a super-massive space-design. Duet No 1 For FM and Subtractive Synthesis is a simple musical idea developed to be a metaphor of curvature of space. Nonlinear synthesis and subtractive synthesis are totally different, but they sound terrific together. Tempo is modulating dramatically through the whole work in order to show the space curvature idea.