Complex sentence: It contains the performances of various ex-students of La Academia Colette along with Samuel Castelan Marini were the only two students of "La Academia 5th Generation" that participated in this album.
Split into simpler sentences: It contains the performances of various ex-students of La Academia. Colette and Samuel Castelan Marini were the only two students of "La Academia 5th Generation" to participate in this album.