Jan. 7, 2012: All the acts are released for the 2013 Houston Livestock Show and Rodeo, but a little earlier than planned. Joel Eisenbaum reports.
It was 25 years ago that Sinéad O'Connor's "Nothing Compares 2 U" started a four-week run at No. 1 on the Billboard Hot 100 singles chart. In honor of the April 21, 1990, anniversary, check out who else produced the top pop hits of 1990.