In October 2006, Ali participated in a concert to celebrate John Coltrane's 80th birthday in his hometown of Philadelphia. Also featured were his brother, pianist Dave Burrell, and bassist Reggie Workman. He also played with alto saxophonist Noah Howard in the summer of 2008. In 2010, he recorded Planetary Unknown in a quartet led by David S. Ware, Ali's first recording in nearly thirty years.
