Pop star Nick Lachey, who most recently appeared on TV in NBC's reality show Clash of the Choirs, will be host of the new High School Musical-themed reality competition on ABC. High School Musical: Summer Session will have contestants doing special challenges while at a music conservatory. The show is currently holding open auditions in California and Florida for aspiring stars aged 16-22. In keeping with the spirit of High School Musical, people from all walks - whether it's a jock who's always secretly wanted to sing or the drama club queen - are welcome to try out.