For each elementary group, how many new music titles are added each year?

In many educational settings, especially in elementary music programs, the introduction of new music titles each year is carefully curated to enhance students' learning and engagement. The number 15, which is indicated in the chosen answer, is often seen as a balanced approach because it allows for a variety of new musical experiences without overwhelming students or teachers.

This choice reflects the need for a diverse repertoire that can cater to different learning styles and musical preferences while providing ample opportunities for performance and practice throughout the year. It is manageable for teachers to integrate into their curriculum, facilitating both individual practice and group activities. The selection of 15 new titles typically includes a mix of genres and cultural music to enrich the students' exposure and understanding of music as an art form.

Thus, the choice of 15 aligns well with established pedagogical practices in music education, promoting a comprehensive learning environment.