I did not video all of the sororities, but for those who have not attended Bid Day at Alabama, here is a clip as the Tri Delta's left Denny Stadium and ran to their house. One of the three girls carrying the letters is my older daughter. One of the new members is my youngest daughter.
http://www.youtube.com/watch?v=0yrQBJuglvM
As previously mentioned, the new members leave the stadium in alphabetical order of the name of their new house. Hopefully, your daughter will call you from inside the stadium so that you will know which group she will be coming out with.