Tickets go on sale Friday, July 29, at 10 a.m. for Mary J. Blige, who will open Silver Spring's newest venue, the Live Nation-owned Fillmore on Sept. 15. The site, at 8656 Colesville Road, once sported a J.C. Penney department store. Now it will be home to a major concert venue. Tickets are $89.50. Visit fillmoresilverspring.com.