The fasıl is a suite in Ottoman classical music. It is similar to the Arabic nawba and waslah.
A classical fasıl generally includes movements such as taksim, peşrev, kâr, beste, ağır semâ'î, yürük semâ'î, gazel, şarkı and saz semâ'î, played continuously without interludes and interconnected through aranağme arrangements.