Michelozzo completed the last part of this building due to the death of its main architect.
Guillaume Dufay composed "Nuper rosarum flores" to commemorate the completion of this building.  Michelozzo completed the last part of this building due to the death of its main architect. Verocchio designed the copper sphere and cross filled with holy relics that tops this building. Neri di Fioravante's design for this building won over the design of Giovanni di Lapo Ghini; both designs chose to reject the usage of (*) flying buttresses. One part of this building includes an ogival arch and a double dome of two shells consisting of eight ribbed arches connected by a lantern, inspired by a similar feature on the Pantheon. For 10 points, name this cathedral topped by a Filippo Brunelleschi-designed dome.
Guillaume Dufay composed "Nuper rosarum flores" to commemorate the completion of this building.  
Florence Cathedral [or Il Duomo; or Basilica di Santa Maria del Fiore; or Basilica of Saint Mary of the Flower; accept just Florence after mention of "cathedral"; prompt to be less specific on answers like "the dome of the Florence Cathedral designed by Brunelleschi"]