Yep get a second opinion and keep your accurate records. If the indepandent fixes the problem go back to the dealer and demand the return of your money. If they don't give it to you remind them of your options regarding legal action. Be nice but be firm.

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….