Query: What band did Beyonce introduce in 2006?
Context: In 2006, Beyoncé introduced her all-female tour band Suga Mama (also the name of a song in B'Day) which includes bassists, drummers, guitarists, horn players, keyboardists and percussionists. Her background singers, The Mamas, consist of Montina Cooper-Donnell, Crystal Collins and Tiffany Moniqué Riddick.