The training and preparation necessary for K-pop idols to succeed in the industry and dance successfully is intense. Training centers like Seoul's Def Dance Skool develop the dance skills of youth in order to give them a shot at becoming an idol. Physical training is one of the largest focuses at the school, as much of a student's schedule is based around dance and exercise. The entertainment labels are highly selective, so few make it to fame. Students at the school must dedicate their lives to the mastery of dance in order to prepare for the vigorous routines performed by K-pop groups. This, of course, means that the training must continue if they are signed. Companies house much larger training centers for those who are chosen.