Perfect, major, minor, augmented, and diminished intervals. Chords: Triads (major, minor, diminished, augmented). Inversions: Rearranging notes within a chord. The Advantages of the "Teoria Musicale" PDF Format
Rossi's method is designed to take a student from basic notation to complex rhythmic and harmonic understanding. Focuses on the "why" behind musical rules. Luigi Rossi Teoria Musicale.pdf
The book is highly regarded among students and educators. On music forums, it's described as a textbook that is "very well done and extremely easy to understand". Another user recommends it as "quite complete," highlighting its role as a trusted resource for learning music theory. Perfect, major, minor, augmented, and diminished intervals