Harmonex

Harmonex is a city from the IDW portion of the Generation 1 continuity family.

Harmonex is known as the Singing City on Cybertron, where it serves as a center for art and learning. It holds within it lithic crystals that sing in perfect harmonic frequency.

Fiction

IDW Generation 1 continuity

During the war on Cybertron against the Decepticons, Scorponok became responsible for unleashing the dreaded engine of destruction known as Trypticon that made its way towards Harmonex. Ultimately, as the beast approached, it was believed that the Singing City would be lost in the monster's rampage with the city's songs being forever lost to Transformer kind. The Illusion of Control