As part of their 50th anniversary events and in celebration of the City of San Antonio's Department of Arts & Culture's “Fiestas Patrias,” URBAN-15 takes a look 18 years back to one of their most ambitious and acclaimed performances, “Temporal.” Performed in Monterrey, Mexico in January 2006, original recordings of this 10 piece movement will be livestreamed for free on a continuous 24-hour loop from Sept. 16 through Sept. 23 at urban15.org/live-stream.