Shrine of The Black Madonna Cultural Center at 5309 Martin Luther King Blvd. Houston offers free classes every Saturday.   *Law Class  12:00noon -2:00pm *African History Class 1:00pm -2:00pm  *Tai Chi  2:30pm – 3:30pm  *Line Dance  3:30pm – 5:00pm   and  *Swing Dance  3:30pm – 5:00pm