Waslah

A wasla (وَصْلَة / ALA-LC: waṣlah; plural وَصَلَات / waṣalāt) is a set of pieces in Arabic music. It comprises eight or more movements such as muwashshah, taqsim, layali, mawwal, qasida, dawr, sama'i, bashraf, dulab, and popular songs.

The term is also used to refer to a segment of Sufi music.

Other sources

 * Racy, Ali Jihad (1983). "The Waslah: a Compound Form Principle in Egyptian Music", Arab Studies Quarterly, v. 5, no. 4, pp. 396-403.