'Western music' doesn't really narrow it down much, Matty. What 'kind' of western music? Funk? Rock? Rap? 50's rock and roll? Big band swing? Smooth jazz?
Anyway, if you need proof that the PA3X can sound amazing, try this:
My advice would be to not let the number of good web demos be your proof of whether something can sound great or not. It only takes ONE. The rest is up to you!
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An arranger is just a tool. What matters is what you build with it..!