The Teatro Comunale, which rises along Corso del Popolo, is the center and symbol of the city's musical life, even for very intense activity of the Liceo Musicale "Francis Manzano (founded in 1859) and the Institute of Sacred Music Diocesan . The building dates back to 1692 when he was built under the name of Onigo Theater, being that family ownership and promoter. However, in different eras later, the building suffered damage, fires and numerous restorations. Fu Theater Company during the era when managed by the Company of Palchettisti, and Teatro Comunale from the twentieth century after the municipality became the owner.
The external facade is the work of John Miazzi Bassanese, director of the first radical restoration dated 1763.
Over the years, the theater has hosted performances of all kinds, from comedy to the serious, from concerts to opera, from charities to the evening festivities in honor of famous artists or influential personalities guests of the city, to "Cavalchini" carnival (veglione sumptuous Venetian masked the taste). Of musical tradition are heirs groups musicofoli particularly the choral groups, the complex concert of different structure and trends, tradition that gave us the last century two of the most beautiful voices in the opera world: the tenor Mario Del Monaco and the soprano Toti Dal Monte.
The theater has 700 seats distributed in the stalls, four orders of 23 stages and a gallery. A consortium of institutions citizens promotes and supports the activities of the Teatro Comunale which include prose, concerts and opera in the traditional season of Autumn Musicale Trevigiana with artists selected from 1969 through an international competition entitled to Treviso soprano Toti Dal Monte. From a competition are being drawn parallel sets of the works. In addition, the theater hosts each year, starting in 1954, in November, the National Piano Competition "City of Treviso."
Today the Teatro Comunale is closed for a new restructuring. Adjacent to the theater, always along Corso del Popolo, rises Onigo Palace, a building dating back to the early 1500s that shows the first floor arched windows on both sides corner, while the painted decorations around the lights went almost entirely lost over the years. Restoration dell'ammezzato and the ground floor date back to late. On the first floor, around the hall for the meetings, have established environmental organizations.