12 sections. 2015 Leisure Rumba "Blooming" Music Zheng Ming and Zhu Liping performed "Blooming" Jiang Li and Xie Junjuan performed. The 2015 Rumba Blooming decomposition teaching has 12 sections in total. "Blooming" is expressed in the form of dance, especially in the crotch. In terms of expression, it is not the "crotch squeeze" of international standard dance, nor the "crotch delivery" of ballroom dance, but the "crotch walking" form of expression.