Complex sentence: She made it through to boot camp, then after the first task of singing with other acts she was then put into the top 50 acts, where she will have to sing a solo performance to save her place in the final 24.
Split into simpler sentences: She made it through to boot camp, then after the first task of singing with other acts she was then put into the top 50 acts. Where she will have to sing a solo performance to save her place in the final 24.