Harmonex
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
2005 IDW 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. After evacuating Harmonex, the Autobots lured Trypticon to the city's gigantic central structure and collapsed it on top of him, The Illusion of Control but the beast survived unscathed and continued his rampage through the ruined city. Annihilation Following Trypticon's defeat, the Conclave of Representatives forbade civilian access to the ruins of Harmonex. When the Autobots deployed a team there to check up on Trypticon, they found it missing, Megatron having retrieved the monster. Primacy #1
Ask Vector Prime
In ancient times, the Cannibal Baron ruled an empire that stretched from his seat of power in Corumkan to as far south as Nuon and as far north as Harmonex. Ask Vector Prime, 2015/09/15
Of Masters and Mayhem
Before the Great War broke out, the people of Harmonex regarded the Decepticons an as insignificant threat. The first of the city to sign up was Punch who was thrown a party the night before he shipped out. Twenty-seven solar cycles later, the city was destroyed by the Decepticons with no survivors. Punch tried to avenge his home in a maddened grief but ended up with a dead unit and a girder in his chest for his troubles. The Truth We Make
Beast Wars: Uprising
Harmonex bordered the Rust Sea. During the Grand Uprising, the city fell to the Resistance. Safe Spaces
