THE UNIVERSE OF THE NOTESMr. Evren is a music teacher, and Mrs. Yağmur is a dance teacher. They have a daughter named Serenat and a son named Sonat. Sonat's dream of moving to a house with a garden has finally come true. Mr. Evren’s first gift to his children in their new home is a telescope. This surprise is the first step of the mysterious and exciting journey that Serenat and her sister will make to the Universe of the Notes.