Playing a style of music from this religious tradition on jazz instruments is the specialty of a Brook Martinez-led band named for a Brooklyn party of that genre. A member of this tradition collaborated with Michael Brook on Night Song and released the album (15[1])Mustt Mustt. A style of music from this religious tradition commonly played at urs ceremonies is performed by The Sabri Brothers. That style from this tradition strongly influenced (*) gnawa (“g’NAH-wah”) music. Sama or sema ceremonies among this tradition often feature the ney flute and tambourines. Nusrat Fateh Ali Khan was a vocalist in the qawwali singing style in this religious tradition. For 10 points, name this mystical Islamic tradition whose Mevlevi order includes the “whirling dervishes.” ■END■