Ceiling by the damage from smoke from candles or a fireplace. Many historic buildings have celebrated ceilings. Perhaps the most famous is the Sistine Chapel ceiling by Michelangelo. Ceiling height may have psychological impacts. The most common ceiling that contributes to fire-resistance ratings in commercial and residential construction is the dropped ceiling. In the case of a dropped ceiling, the rating is achieved by the entire system, which is both the structure above, from which the ceilings is suspended, which could be a concrete floor or a timber floor, as well as the suspension mechanism and, finally the lowest membrane or
Sistine Chapel Choir Sistine Chapel Choir The Sistine Chapel Choir, as it is generally called in English, or properly the "Coro della Cappella Musicale Pontificia" in Italian, is one of the oldest choirs in the world, having been formally active since 1471. Based in Vatican City, it normally comprises twenty men (tenors and basses) and thirty boys (sopranos and altos), the latter receiving free tuition. As early as in the pontificate of Sylvester I (314–35), a regularly constituted company of singers, under the name of "schola cantorum", lived together in a building devoted to their exclusive use. The word ""schola"" was in those