 This method improves sight-singing and listening of 20th century music.Karaseva's course, "Modern solfeggio" in 3 Volumes (1st vol - music pattern selection and instructive exercises, 2nd - 20th century music examples, 3d Harmonical Solfeggio), was published in 1996.It is considered one of the most effective practical courses in ear training, and, worldwide, it is the first of its kind.