This is Grade 9 of the Movin With Theory™ series of music theory workbooks, 3rd Edition. The content of Grade 9 includes: Major, perfect, minor, diminished, & augmented intervals, inverting intervals, chromatic and diatonic half steps, enharmonic, relative major and minor keys, parallel keys, major and natural minor scale pattern, harmonic minor, melodic minor, scale drill, chromatic, whole tone, & pentatonic scales, rhythm review, simple, compound and irregular (asymmetrical) meter, alla breve, major, minor, augmented and diminished triads, primary triads-tonic, subdominant and dominant, triad root, triad third and triad fifth, triad inversions, Roman numerals, introduction to figured bass, introduction to four-part harmony, open & close harmony, introduction to voice leading, authentic cadence, perfect & imperfect authentic cadence, half cadence, melody writing, transposition, vocabulary, ear training, reviews.