chapter  13
Pages 23

Triads may also be written as inversions ("invert" means "turn upside down"). There are three positions: root, first inversion, and second inversion. In all positions, the notes and therefore the quality (major, minor, augmented, diminished) remain the same; only the sequence of the notes from bottom to top changes. Composers use inversions to vary the harmonic sound or to create a smoother motion of the lines (called "voice leading.")