Pahvo
Pahvo was a forested planet in the Pahvo system, with two moons. This system was located in the Beta Quadrant. Pahvo was inhabited by the Pahvans, who lived in total harmony with their world.

Every tree, rock, and blade of grass on the planet vibrated with a distinct tone, combining into a unique sound that was ubiquitous on the surface. This "music" was even broadcast into space by a massive crystal transmitter.

In 2256, the  sent a landing party consisting of Commander Saru, Michael Burnham, and Lieutenant  to modify the transmitter to detect cloaked Klingon ships. They made first contact with the Pahvans, who consequently decided to help bring harmony to the  by sending a signal inviting both parties to Pahvo. The Sarcophagus subsequently arrived at the planet, with the intention of destroying it and the Pahvans. In the ensuing battle, the Discovery devised a way to penetrate the Sarcophaguss cloak, and destroy it. ()

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