This represents the Eternal Father within a mandorla of cherubs.
Over her head is a Trinity, in a mandorla surrounded by cherubs.
Above is the famous relief which crowns the whole, and from which the door takes its name–the glorified Madonna of the mandorla.
The mandorla recalls the altar-pieces of Borgo and of Lyons.
But the type would appear more advanced than the busts on the mandorla doorway or the Siena work made about this time.
Finally, Donatello made two busts of prophets for the mandorla door.
This statue shows a doubt and hesitation which did not affect Donatello when making the little prophets for the mandorla door.
The groups of angel musicians around the mandorla in the "Assumption" and two "Ascensions" are practically identical.
The Madonna is in a mandorla; two angels above are crowning her, and other angels playing on instruments are around.
The Madonna is in the sky within a mandorla of cherubs, and has four angels around her playing on instruments.