Scat backers

Jazz singer Germaine Bazzle, far left, performs with Tulane music students, from left, Dehan Elcin, Aurelien Barnes and Luke Schwartz during a Jazz at the Rat concert on Thursday. Bazzle, known as New Orleans' "First Lady of Jazz," is one of the city's most important jazz vocalists and educators. She has entertained audiences for decades with her singing style and improvised scatting.