Lamma Bada Yatathanna
Lamma Bada Yatathanna (Arabic: لما بدا يتثنى) is an muwashshah of the Nahawand maqam. The poem is considered one of the most famous Arabic pieces of its era, and it came from al-Andalus.
The author of the piece is disputed, but is thought to be ibn al-Khatib (1313-1374).