RE 30: Root-position and Inverted Triads RE 31: Root-position and Inverted Major and Minor Triads RE 31: Root-position and Inverted Major and Minor Triads, Root-p RE 32: Phrase Based on Three Different Chords RE 32: Phrase Based on Three Different Chords, Harmonic Basis of RE 33: Sounds and Symbols in Major RE 33: Sounds and Symbols in Major, Version in Minor RE 34: Tendency Tones, Complete Melody RE 34: Tendency Tones, First Phrase RE 34: Tendency Tones, Second Phrase RE 34: Tendency Tones, Third and Fourth Phrases RE 35: The Tritone RE 36: The Dominant Seventh Chord RE 36: The Dominant Seventh Chord, Chords and Resolutions RE 37: Half and Authentic Cadences RE 37: Half and Authentic Cadences, Deceptive and Authentic Cade RE 37: Half and Authentic Cadences, Plagal Cadences RE 38, Major Modes, Minor Modes RE 38: Major Modes RE 39: Pentatonic Scales and Melodies RE 3: Ear Training, Half Steps RE 3: Ear Training, Whole and Half Steps RE 3: Ear Training, Whole Steps