They covered the roof of the building in this manner and...

They covered the roof of the building in this manner and remained busy in work with great enthusiasm and fervour. Usually every Muslim worker carried one brick but ‘Ammar carried two and moved with great agility. When all the Muslims took part in the work the first melody was replaced by a new one. It was said that the new melody had been composed by ‘Ali. ‘Ammar repeated this melody. The Holy Prophet (S) who was working behind him made the bricks and uttered the last part of the melody.

From within his house, which overlooked the masjid, ‘Uthman bin Affan heard this melody and also looked in. As soon as dust and soil of the walls which had been pulled down settled on his hair he turned back his face, cleansed his nose with his…