Sistine Chapel ceiling of the chapel, now closed, and those above the High Altar covered by the Last Judgement. Above each window is an arched shape, referred to as a lunette and above eight of the lunettes at the sides of the chapel are triangular "spandrels" filling the spaces between the side pendentives and the vault, the other eight lunettes each being below one of the corner pendentives. Michelangelo was commissioned to paint these areas as part of the work on the ceiling. The structures form visual bridges between the walls and the ceiling, and the figures which are painted on them are
Sistine Chapel been written, the most famous piece being Gregorio Allegri's "Miserere". One of the functions of the Sistine Chapel is as a venue for the election of each successive pope in a conclave of the College of Cardinals. On the occasion of a conclave, a chimney is installed in the roof of the chapel, from which smoke arises as a signal. If white smoke appears, created by burning the ballots of the election, a new Pope has been elected. If a candidate receives less than a two-thirds vote, the cardinals send up black smoke — created by burning the ballots along